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Finding the Fourth Proportional to 71,117.19, 106,599.15 and 37,803.69

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Solution

The fourth proportional to 71,117.19, 106,599.15 and 37,803.69 is: 56,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,117.19 : 106,599.15 = 37,803.69 : x
  2. Step 2: Convert to fraction form
    71,117.19/106,599.15 = 37,803.69/x
  3. Step 3: Cross multiply
    71,117.19x = 106,599.15 × 37,803.69
  4. Step 4: Simplify right side
    71,117.19x = 4,029,841,220.86
  5. Step 5: Solve for x
    x = 4,029,841,220.86/71,117.19
  6. Step 6: Final answer
    x = 56,664.80

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1.5x scale

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.