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Finding the Fourth Proportional to 210,984,162.80, 316,224,301.80 and 88,162,242.80

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Solution

The fourth proportional to 210,984,162.80, 316,224,301.80 and 88,162,242.80 is: 132,138,087.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,984,162.80 : 316,224,301.80 = 88,162,242.80 : x
  2. Step 2: Convert to fraction form
    210,984,162.80/316,224,301.80 = 88,162,242.80/x
  3. Step 3: Cross multiply
    210,984,162.80x = 316,224,301.80 × 88,162,242.80
  4. Step 4: Simplify right side
    210,984,162.80x = 27,879,043,674,552,076
  5. Step 5: Solve for x
    x = 27,879,043,674,552,076/210,984,162.80
  6. Step 6: Final answer
    x = 132,138,087.07

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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.