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Finding the Fourth Proportional to 224,722.60, 337,130.70 and 75,009.40

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Solution

The fourth proportional to 224,722.60, 337,130.70 and 75,009.40 is: 112,529.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,722.60 : 337,130.70 = 75,009.40 : x
  2. Step 2: Convert to fraction form
    224,722.60/337,130.70 = 75,009.40/x
  3. Step 3: Cross multiply
    224,722.60x = 337,130.70 × 75,009.40
  4. Step 4: Simplify right side
    224,722.60x = 25,287,971,528.58
  5. Step 5: Solve for x
    x = 25,287,971,528.58/224,722.60
  6. Step 6: Final answer
    x = 112,529.72

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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.