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Finding the Fourth Proportional to 102,095.33, 140,870.90 and 59,645.66

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Solution

The fourth proportional to 102,095.33, 140,870.90 and 59,645.66 is: 82,298.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,095.33 : 140,870.90 = 59,645.66 : x
  2. Step 2: Convert to fraction form
    102,095.33/140,870.90 = 59,645.66/x
  3. Step 3: Cross multiply
    102,095.33x = 140,870.90 × 59,645.66
  4. Step 4: Simplify right side
    102,095.33x = 8,402,336,802.71
  5. Step 5: Solve for x
    x = 8,402,336,802.71/102,095.33
  6. Step 6: Final answer
    x = 82,298.94

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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.