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Finding the Fourth Proportional to 107,894.48, 148,899.42 and 60,148.10

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Solution

The fourth proportional to 107,894.48, 148,899.42 and 60,148.10 is: 83,007.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,894.48 : 148,899.42 = 60,148.10 : x
  2. Step 2: Convert to fraction form
    107,894.48/148,899.42 = 60,148.10/x
  3. Step 3: Cross multiply
    107,894.48x = 148,899.42 × 60,148.10
  4. Step 4: Simplify right side
    107,894.48x = 8,956,017,204.10
  5. Step 5: Solve for x
    x = 8,956,017,204.10/107,894.48
  6. Step 6: Final answer
    x = 83,007.19

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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.