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Finding the Fourth Proportional to 86,281.84, 119,074.34 and 52,293.29

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Solution

The fourth proportional to 86,281.84, 119,074.34 and 52,293.29 is: 72,168.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,281.84 : 119,074.34 = 52,293.29 : x
  2. Step 2: Convert to fraction form
    86,281.84/119,074.34 = 52,293.29/x
  3. Step 3: Cross multiply
    86,281.84x = 119,074.34 × 52,293.29
  4. Step 4: Simplify right side
    86,281.84x = 6,226,788,731.71
  5. Step 5: Solve for x
    x = 6,226,788,731.71/86,281.84
  6. Step 6: Final answer
    x = 72,168.01

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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.