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Finding the Fourth Proportional to 61,502,746.60, 92,255,213.40 and 18,372,482.20

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Solution

The fourth proportional to 61,502,746.60, 92,255,213.40 and 18,372,482.20 is: 27,559,049.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,502,746.60 : 92,255,213.40 = 18,372,482.20 : x
  2. Step 2: Convert to fraction form
    61,502,746.60/92,255,213.40 = 18,372,482.20/x
  3. Step 3: Cross multiply
    61,502,746.60x = 92,255,213.40 × 18,372,482.20
  4. Step 4: Simplify right side
    61,502,746.60x = 1,694,957,266,048,701.50
  5. Step 5: Solve for x
    x = 1,694,957,266,048,701.50/61,502,746.60
  6. Step 6: Final answer
    x = 27,559,049.96

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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.