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Finding the Fourth Proportional to 64,176.60, 96,264.90 and 42,058.20

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Solution

The fourth proportional to 64,176.60, 96,264.90 and 42,058.20 is: 63,087.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,176.60 : 96,264.90 = 42,058.20 : x
  2. Step 2: Convert to fraction form
    64,176.60/96,264.90 = 42,058.20/x
  3. Step 3: Cross multiply
    64,176.60x = 96,264.90 × 42,058.20
  4. Step 4: Simplify right side
    64,176.60x = 4,048,728,417.18
  5. Step 5: Solve for x
    x = 4,048,728,417.18/64,176.60
  6. Step 6: Final answer
    x = 63,087.30

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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.