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Finding the Fourth Proportional to 95,390,000.60, 143,103,663.30 and 40,802,480.60

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Solution

The fourth proportional to 95,390,000.60, 143,103,663.30 and 40,802,480.60 is: 61,211,703.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,390,000.60 : 143,103,663.30 = 40,802,480.60 : x
  2. Step 2: Convert to fraction form
    95,390,000.60/143,103,663.30 = 40,802,480.60/x
  3. Step 3: Cross multiply
    95,390,000.60x = 143,103,663.30 × 40,802,480.60
  4. Step 4: Simplify right side
    95,390,000.60x = 5,838,984,445,587,183
  5. Step 5: Solve for x
    x = 5,838,984,445,587,183/95,390,000.60
  6. Step 6: Final answer
    x = 61,211,703.63

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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.