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Finding the Fourth Proportional to 160,666.60, 240,999.90 and 129,562.60

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Solution

The fourth proportional to 160,666.60, 240,999.90 and 129,562.60 is: 194,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,666.60 : 240,999.90 = 129,562.60 : x
  2. Step 2: Convert to fraction form
    160,666.60/240,999.90 = 129,562.60/x
  3. Step 3: Cross multiply
    160,666.60x = 240,999.90 × 129,562.60
  4. Step 4: Simplify right side
    160,666.60x = 31,224,573,643.74
  5. Step 5: Solve for x
    x = 31,224,573,643.74/160,666.60
  6. Step 6: Final answer
    x = 194,343.90

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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.