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Finding the Fourth Proportional to 202,308,828.60, 303,463,242.90 and 151,290,492.60

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Solution

The fourth proportional to 202,308,828.60, 303,463,242.90 and 151,290,492.60 is: 226,935,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,308,828.60 : 303,463,242.90 = 151,290,492.60 : x
  2. Step 2: Convert to fraction form
    202,308,828.60/303,463,242.90 = 151,290,492.60/x
  3. Step 3: Cross multiply
    202,308,828.60x = 303,463,242.90 × 151,290,492.60
  4. Step 4: Simplify right side
    202,308,828.60x = 45,911,103,504,334,448
  5. Step 5: Solve for x
    x = 45,911,103,504,334,448/202,308,828.60
  6. Step 6: Final answer
    x = 226,935,738.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.