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Finding the Fourth Proportional to 145,569.07, 218,351.16 and 65,562.52

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Solution

The fourth proportional to 145,569.07, 218,351.16 and 65,562.52 is: 98,342.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,569.07 : 218,351.16 = 65,562.52 : x
  2. Step 2: Convert to fraction form
    145,569.07/218,351.16 = 65,562.52/x
  3. Step 3: Cross multiply
    145,569.07x = 218,351.16 × 65,562.52
  4. Step 4: Simplify right side
    145,569.07x = 14,315,652,294.52
  5. Step 5: Solve for x
    x = 14,315,652,294.52/145,569.07
  6. Step 6: Final answer
    x = 98,342.68

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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.