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Finding the Fourth Proportional to 152,026.61, 209,800.60 and 84,044.62

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Solution

The fourth proportional to 152,026.61, 209,800.60 and 84,044.62 is: 115,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,026.61 : 209,800.60 = 84,044.62 : x
  2. Step 2: Convert to fraction form
    152,026.61/209,800.60 = 84,044.62/x
  3. Step 3: Cross multiply
    152,026.61x = 209,800.60 × 84,044.62
  4. Step 4: Simplify right side
    152,026.61x = 17,632,611,754.91
  5. Step 5: Solve for x
    x = 17,632,611,754.91/152,026.61
  6. Step 6: Final answer
    x = 115,983.72

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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.