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Finding the Fourth Proportional to 103,476.01, 142,835.91 and 60,469.51

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Solution

The fourth proportional to 103,476.01, 142,835.91 and 60,469.51 is: 83,470.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,476.01 : 142,835.91 = 60,469.51 : x
  2. Step 2: Convert to fraction form
    103,476.01/142,835.91 = 60,469.51/x
  3. Step 3: Cross multiply
    103,476.01x = 142,835.91 × 60,469.51
  4. Step 4: Simplify right side
    103,476.01x = 8,637,217,052.57
  5. Step 5: Solve for x
    x = 8,637,217,052.57/103,476.01
  6. Step 6: Final answer
    x = 83,470.72

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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.