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Finding the Fourth Proportional to 59,616,010.60, 89,424,015.90 and 18,678,869.80

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Solution

The fourth proportional to 59,616,010.60, 89,424,015.90 and 18,678,869.80 is: 28,018,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,616,010.60 : 89,424,015.90 = 18,678,869.80 : x
  2. Step 2: Convert to fraction form
    59,616,010.60/89,424,015.90 = 18,678,869.80/x
  3. Step 3: Cross multiply
    59,616,010.60x = 89,424,015.90 × 18,678,869.80
  4. Step 4: Simplify right side
    59,616,010.60x = 1,670,339,549,989,230
  5. Step 5: Solve for x
    x = 1,670,339,549,989,230/59,616,010.60
  6. Step 6: Final answer
    x = 28,018,304.70

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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.