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Finding the Fourth Proportional to 157,225.60, 235,622.40 and 100,892.80

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Solution

The fourth proportional to 157,225.60, 235,622.40 and 100,892.80 is: 151,200.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,225.60 : 235,622.40 = 100,892.80 : x
  2. Step 2: Convert to fraction form
    157,225.60/235,622.40 = 100,892.80/x
  3. Step 3: Cross multiply
    157,225.60x = 235,622.40 × 100,892.80
  4. Step 4: Simplify right side
    157,225.60x = 23,772,603,678.72
  5. Step 5: Solve for x
    x = 23,772,603,678.72/157,225.60
  6. Step 6: Final answer
    x = 151,200.59

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1.5x scale

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.