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Finding the Fourth Proportional to 96,488.92, 133,154.58 and 54,047.45

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Solution

The fourth proportional to 96,488.92, 133,154.58 and 54,047.45 is: 74,585.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,488.92 : 133,154.58 = 54,047.45 : x
  2. Step 2: Convert to fraction form
    96,488.92/133,154.58 = 54,047.45/x
  3. Step 3: Cross multiply
    96,488.92x = 133,154.58 × 54,047.45
  4. Step 4: Simplify right side
    96,488.92x = 7,196,666,040.39
  5. Step 5: Solve for x
    x = 7,196,666,040.39/96,488.92
  6. Step 6: Final answer
    x = 74,585.41

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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.