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Finding the Fourth Proportional to 58,762,942.40, 88,144,413.60 and 49,357,092.80

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Solution

The fourth proportional to 58,762,942.40, 88,144,413.60 and 49,357,092.80 is: 74,035,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,762,942.40 : 88,144,413.60 = 49,357,092.80 : x
  2. Step 2: Convert to fraction form
    58,762,942.40/88,144,413.60 = 49,357,092.80/x
  3. Step 3: Cross multiply
    58,762,942.40x = 88,144,413.60 × 49,357,092.80
  4. Step 4: Simplify right side
    58,762,942.40x = 4,350,552,001,856,781.50
  5. Step 5: Solve for x
    x = 4,350,552,001,856,781.50/58,762,942.40
  6. Step 6: Final answer
    x = 74,035,639.20

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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.