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Finding the Fourth Proportional to 102,545.70, 153,904.95 and 50,000.10

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Solution

The fourth proportional to 102,545.70, 153,904.95 and 50,000.10 is: 75,042.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,545.70 : 153,904.95 = 50,000.10 : x
  2. Step 2: Convert to fraction form
    102,545.70/153,904.95 = 50,000.10/x
  3. Step 3: Cross multiply
    102,545.70x = 153,904.95 × 50,000.10
  4. Step 4: Simplify right side
    102,545.70x = 7,695,262,890.50
  5. Step 5: Solve for x
    x = 7,695,262,890.50/102,545.70
  6. Step 6: Final answer
    x = 75,042.28

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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.