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Finding the Fourth Proportional to 268,500.47, 370,522.82 and 147,641.63

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Solution

The fourth proportional to 268,500.47, 370,522.82 and 147,641.63 is: 203,741.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,500.47 : 370,522.82 = 147,641.63 : x
  2. Step 2: Convert to fraction form
    268,500.47/370,522.82 = 147,641.63/x
  3. Step 3: Cross multiply
    268,500.47x = 370,522.82 × 147,641.63
  4. Step 4: Simplify right side
    268,500.47x = 54,704,592,358.79
  5. Step 5: Solve for x
    x = 54,704,592,358.79/268,500.47
  6. Step 6: Final answer
    x = 203,741.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.