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Finding the Fourth Proportional to 149,859.60, 224,875.80 and 56,432.40

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Solution

The fourth proportional to 149,859.60, 224,875.80 and 56,432.40 is: 84,681.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,859.60 : 224,875.80 = 56,432.40 : x
  2. Step 2: Convert to fraction form
    149,859.60/224,875.80 = 56,432.40/x
  3. Step 3: Cross multiply
    149,859.60x = 224,875.80 × 56,432.40
  4. Step 4: Simplify right side
    149,859.60x = 12,690,281,095.92
  5. Step 5: Solve for x
    x = 12,690,281,095.92/149,859.60
  6. Step 6: Final answer
    x = 84,681.14

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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.