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Finding the Fourth Proportional to 100,851.70, 151,277.55 and 48,363.70

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Solution

The fourth proportional to 100,851.70, 151,277.55 and 48,363.70 is: 72,545.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,851.70 : 151,277.55 = 48,363.70 : x
  2. Step 2: Convert to fraction form
    100,851.70/151,277.55 = 48,363.70/x
  3. Step 3: Cross multiply
    100,851.70x = 151,277.55 × 48,363.70
  4. Step 4: Simplify right side
    100,851.70x = 7,316,342,044.94
  5. Step 5: Solve for x
    x = 7,316,342,044.94/100,851.70
  6. Step 6: Final answer
    x = 72,545.55

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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.