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Finding the Fourth Proportional to 102,166.61, 153,248.37 and 45,967.03

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Solution

The fourth proportional to 102,166.61, 153,248.37 and 45,967.03 is: 68,949.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,166.61 : 153,248.37 = 45,967.03 : x
  2. Step 2: Convert to fraction form
    102,166.61/153,248.37 = 45,967.03/x
  3. Step 3: Cross multiply
    102,166.61x = 153,248.37 × 45,967.03
  4. Step 4: Simplify right side
    102,166.61x = 7,044,372,421.24
  5. Step 5: Solve for x
    x = 7,044,372,421.24/102,166.61
  6. Step 6: Final answer
    x = 68,949.85

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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.