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Finding the Fourth Proportional to 142,468.86, 213,616.95 and 98,046.81

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Solution

The fourth proportional to 142,468.86, 213,616.95 and 98,046.81 is: 147,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,468.86 : 213,616.95 = 98,046.81 : x
  2. Step 2: Convert to fraction form
    142,468.86/213,616.95 = 98,046.81/x
  3. Step 3: Cross multiply
    142,468.86x = 213,616.95 × 98,046.81
  4. Step 4: Simplify right side
    142,468.86x = 20,944,460,509.43
  5. Step 5: Solve for x
    x = 20,944,460,509.43/142,468.86
  6. Step 6: Final answer
    x = 147,010.80

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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.