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Finding the Fourth Proportional to 64,193.71, 96,290.85 and 42,146.59

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Solution

The fourth proportional to 64,193.71, 96,290.85 and 42,146.59 is: 63,220.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,193.71 : 96,290.85 = 42,146.59 : x
  2. Step 2: Convert to fraction form
    64,193.71/96,290.85 = 42,146.59/x
  3. Step 3: Cross multiply
    64,193.71x = 96,290.85 × 42,146.59
  4. Step 4: Simplify right side
    64,193.71x = 4,058,330,975.70
  5. Step 5: Solve for x
    x = 4,058,330,975.70/64,193.71
  6. Step 6: Final answer
    x = 63,220.07

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1.5x scale

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.