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Finding the Fourth Proportional to 260,925.30, 391,264.58 and 101,076.10

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Solution

The fourth proportional to 260,925.30, 391,264.58 and 101,076.10 is: 151,566.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,925.30 : 391,264.58 = 101,076.10 : x
  2. Step 2: Convert to fraction form
    260,925.30/391,264.58 = 101,076.10/x
  3. Step 3: Cross multiply
    260,925.30x = 391,264.58 × 101,076.10
  4. Step 4: Simplify right side
    260,925.30x = 39,547,498,721.38
  5. Step 5: Solve for x
    x = 39,547,498,721.38/260,925.30
  6. Step 6: Final answer
    x = 151,566.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.