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Finding the Fourth Proportional to 94,657.60, 142,101.60 and 47,886.40

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Solution

The fourth proportional to 94,657.60, 142,101.60 and 47,886.40 is: 71,887.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,657.60 : 142,101.60 = 47,886.40 : x
  2. Step 2: Convert to fraction form
    94,657.60/142,101.60 = 47,886.40/x
  3. Step 3: Cross multiply
    94,657.60x = 142,101.60 × 47,886.40
  4. Step 4: Simplify right side
    94,657.60x = 6,804,734,058.24
  5. Step 5: Solve for x
    x = 6,804,734,058.24/94,657.60
  6. Step 6: Final answer
    x = 71,887.88

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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.