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Finding the Fourth Proportional to 157,335.60, 235,657.80 and 94,897.20

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Solution

The fourth proportional to 157,335.60, 235,657.80 and 94,897.20 is: 142,137.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,335.60 : 235,657.80 = 94,897.20 : x
  2. Step 2: Convert to fraction form
    157,335.60/235,657.80 = 94,897.20/x
  3. Step 3: Cross multiply
    157,335.60x = 235,657.80 × 94,897.20
  4. Step 4: Simplify right side
    157,335.60x = 22,363,265,378.16
  5. Step 5: Solve for x
    x = 22,363,265,378.16/157,335.60
  6. Step 6: Final answer
    x = 142,137.35

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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.