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Finding the Fourth Proportional to 162,763.52, 243,900.10 and 145,025.95

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Solution

The fourth proportional to 162,763.52, 243,900.10 and 145,025.95 is: 217,320.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,763.52 : 243,900.10 = 145,025.95 : x
  2. Step 2: Convert to fraction form
    162,763.52/243,900.10 = 145,025.95/x
  3. Step 3: Cross multiply
    162,763.52x = 243,900.10 × 145,025.95
  4. Step 4: Simplify right side
    162,763.52x = 35,371,842,125.53
  5. Step 5: Solve for x
    x = 35,371,842,125.53/162,763.52
  6. Step 6: Final answer
    x = 217,320.45

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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.