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Finding the Fourth Proportional to 89,854.92, 124,000.47 and 49,569.98

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Solution

The fourth proportional to 89,854.92, 124,000.47 and 49,569.98 is: 68,406.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,854.92 : 124,000.47 = 49,569.98 : x
  2. Step 2: Convert to fraction form
    89,854.92/124,000.47 = 49,569.98/x
  3. Step 3: Cross multiply
    89,854.92x = 124,000.47 × 49,569.98
  4. Step 4: Simplify right side
    89,854.92x = 6,146,700,197.89
  5. Step 5: Solve for x
    x = 6,146,700,197.89/89,854.92
  6. Step 6: Final answer
    x = 68,406.94

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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.