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Finding the Fourth Proportional to 181,779.60, 272,669.40 and 125,792.40

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Solution

The fourth proportional to 181,779.60, 272,669.40 and 125,792.40 is: 188,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,779.60 : 272,669.40 = 125,792.40 : x
  2. Step 2: Convert to fraction form
    181,779.60/272,669.40 = 125,792.40/x
  3. Step 3: Cross multiply
    181,779.60x = 272,669.40 × 125,792.40
  4. Step 4: Simplify right side
    181,779.60x = 34,299,738,232.56
  5. Step 5: Solve for x
    x = 34,299,738,232.56/181,779.60
  6. Step 6: Final answer
    x = 188,688.60

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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.