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Finding the Fourth Proportional to 67,359.84, 92,902 and 59,276.08

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Solution

The fourth proportional to 67,359.84, 92,902 and 59,276.08 is: 81,752.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,359.84 : 92,902 = 59,276.08 : x
  2. Step 2: Convert to fraction form
    67,359.84/92,902 = 59,276.08/x
  3. Step 3: Cross multiply
    67,359.84x = 92,902 × 59,276.08
  4. Step 4: Simplify right side
    67,359.84x = 5,506,866,384.16
  5. Step 5: Solve for x
    x = 5,506,866,384.16/67,359.84
  6. Step 6: Final answer
    x = 81,752.96

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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.