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Finding the Fourth Proportional to 109,011, 163,370.88 and 58,306.08

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Solution

The fourth proportional to 109,011, 163,370.88 and 58,306.08 is: 87,381.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,011 : 163,370.88 = 58,306.08 : x
  2. Step 2: Convert to fraction form
    109,011/163,370.88 = 58,306.08/x
  3. Step 3: Cross multiply
    109,011x = 163,370.88 × 58,306.08
  4. Step 4: Simplify right side
    109,011x = 9,525,515,598.95
  5. Step 5: Solve for x
    x = 9,525,515,598.95/109,011
  6. Step 6: Final answer
    x = 87,381.23

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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.