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Finding the Fourth Proportional to 124,642.40, 186,975.35 and 96,593.87

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Solution

The fourth proportional to 124,642.40, 186,975.35 and 96,593.87 is: 144,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,642.40 : 186,975.35 = 96,593.87 : x
  2. Step 2: Convert to fraction form
    124,642.40/186,975.35 = 96,593.87/x
  3. Step 3: Cross multiply
    124,642.40x = 186,975.35 × 96,593.87
  4. Step 4: Simplify right side
    124,642.40x = 18,060,671,776.60
  5. Step 5: Solve for x
    x = 18,060,671,776.60/124,642.40
  6. Step 6: Final answer
    x = 144,899.91

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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.