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Finding the Fourth Proportional to 168,591, 232,657.74 and 93,146.52

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Solution

The fourth proportional to 168,591, 232,657.74 and 93,146.52 is: 128,543.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,591 : 232,657.74 = 93,146.52 : x
  2. Step 2: Convert to fraction form
    168,591/232,657.74 = 93,146.52/x
  3. Step 3: Cross multiply
    168,591x = 232,657.74 × 93,146.52
  4. Step 4: Simplify right side
    168,591x = 21,671,258,832.06
  5. Step 5: Solve for x
    x = 21,671,258,832.06/168,591
  6. Step 6: Final answer
    x = 128,543.39

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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.