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Finding the Fourth Proportional to 243,421.71, 365,150.76 and 75,059.16

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Solution

The fourth proportional to 243,421.71, 365,150.76 and 75,059.16 is: 112,594.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,421.71 : 365,150.76 = 75,059.16 : x
  2. Step 2: Convert to fraction form
    243,421.71/365,150.76 = 75,059.16/x
  3. Step 3: Cross multiply
    243,421.71x = 365,150.76 × 75,059.16
  4. Step 4: Simplify right side
    243,421.71x = 27,407,909,318.96
  5. Step 5: Solve for x
    x = 27,407,909,318.96/243,421.71
  6. Step 6: Final answer
    x = 112,594.35

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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.