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Finding the Fourth Proportional to 168,591.04, 232,661.28 and 93,143.68

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Solution

The fourth proportional to 168,591.04, 232,661.28 and 93,143.68 is: 128,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,591.04 : 232,661.28 = 93,143.68 : x
  2. Step 2: Convert to fraction form
    168,591.04/232,661.28 = 93,143.68/x
  3. Step 3: Cross multiply
    168,591.04x = 232,661.28 × 93,143.68
  4. Step 4: Simplify right side
    168,591.04x = 21,670,927,812.71
  5. Step 5: Solve for x
    x = 21,670,927,812.71/168,591.04
  6. Step 6: Final answer
    x = 128,541.40

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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.