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Finding the Fourth Proportional to 145,001.76, 217,499.92 and 59,594.64

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Solution

The fourth proportional to 145,001.76, 217,499.92 and 59,594.64 is: 89,390.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,001.76 : 217,499.92 = 59,594.64 : x
  2. Step 2: Convert to fraction form
    145,001.76/217,499.92 = 59,594.64/x
  3. Step 3: Cross multiply
    145,001.76x = 217,499.92 × 59,594.64
  4. Step 4: Simplify right side
    145,001.76x = 12,961,829,432.43
  5. Step 5: Solve for x
    x = 12,961,829,432.43/145,001.76
  6. Step 6: Final answer
    x = 89,390.84

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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.