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Finding the Fourth Proportional to 96,750.48, 133,508.40 and 54,300.88

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Solution

The fourth proportional to 96,750.48, 133,508.40 and 54,300.88 is: 74,931.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,750.48 : 133,508.40 = 54,300.88 : x
  2. Step 2: Convert to fraction form
    96,750.48/133,508.40 = 54,300.88/x
  3. Step 3: Cross multiply
    96,750.48x = 133,508.40 × 54,300.88
  4. Step 4: Simplify right side
    96,750.48x = 7,249,623,607.39
  5. Step 5: Solve for x
    x = 7,249,623,607.39/96,750.48
  6. Step 6: Final answer
    x = 74,931.14

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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.