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Finding the Fourth Proportional to 59,784,802.60, 89,677,203.90 and 16,660,661.80

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Solution

The fourth proportional to 59,784,802.60, 89,677,203.90 and 16,660,661.80 is: 24,990,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,784,802.60 : 89,677,203.90 = 16,660,661.80 : x
  2. Step 2: Convert to fraction form
    59,784,802.60/89,677,203.90 = 16,660,661.80/x
  3. Step 3: Cross multiply
    59,784,802.60x = 89,677,203.90 × 16,660,661.80
  4. Step 4: Simplify right side
    59,784,802.60x = 1,494,081,565,347,541.25
  5. Step 5: Solve for x
    x = 1,494,081,565,347,541.25/59,784,802.60
  6. Step 6: Final answer
    x = 24,990,992.70

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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.