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Finding the Fourth Proportional to 157,332.70, 235,999.05 and 154,999.90

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Solution

The fourth proportional to 157,332.70, 235,999.05 and 154,999.90 is: 232,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,332.70 : 235,999.05 = 154,999.90 : x
  2. Step 2: Convert to fraction form
    157,332.70/235,999.05 = 154,999.90/x
  3. Step 3: Cross multiply
    157,332.70x = 235,999.05 × 154,999.90
  4. Step 4: Simplify right side
    157,332.70x = 36,579,829,150.10
  5. Step 5: Solve for x
    x = 36,579,829,150.10/157,332.70
  6. Step 6: Final answer
    x = 232,499.85

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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.