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Finding the Fourth Proportional to 84,752.88, 116,980.14 and 48,963.66

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Solution

The fourth proportional to 84,752.88, 116,980.14 and 48,963.66 is: 67,582.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,752.88 : 116,980.14 = 48,963.66 : x
  2. Step 2: Convert to fraction form
    84,752.88/116,980.14 = 48,963.66/x
  3. Step 3: Cross multiply
    84,752.88x = 116,980.14 × 48,963.66
  4. Step 4: Simplify right side
    84,752.88x = 5,727,775,801.71
  5. Step 5: Solve for x
    x = 5,727,775,801.71/84,752.88
  6. Step 6: Final answer
    x = 67,582.08

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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.