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Finding the Fourth Proportional to 157,186.62, 235,569.60 and 77,102.12

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Solution

The fourth proportional to 157,186.62, 235,569.60 and 77,102.12 is: 115,550.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,186.62 : 235,569.60 = 77,102.12 : x
  2. Step 2: Convert to fraction form
    157,186.62/235,569.60 = 77,102.12/x
  3. Step 3: Cross multiply
    157,186.62x = 235,569.60 × 77,102.12
  4. Step 4: Simplify right side
    157,186.62x = 18,162,915,567.55
  5. Step 5: Solve for x
    x = 18,162,915,567.55/157,186.62
  6. Step 6: Final answer
    x = 115,550.01

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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.