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Finding the Fourth Proportional to 93,963.52, 129,673.76 and 56,230.40

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Solution

The fourth proportional to 93,963.52, 129,673.76 and 56,230.40 is: 77,600.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,963.52 : 129,673.76 = 56,230.40 : x
  2. Step 2: Convert to fraction form
    93,963.52/129,673.76 = 56,230.40/x
  3. Step 3: Cross multiply
    93,963.52x = 129,673.76 × 56,230.40
  4. Step 4: Simplify right side
    93,963.52x = 7,291,607,394.30
  5. Step 5: Solve for x
    x = 7,291,607,394.30/93,963.52
  6. Step 6: Final answer
    x = 77,600.41

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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.