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Finding the Fourth Proportional to 59,793,990.40, 89,690,985.60 and 56,808,006.40

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Solution

The fourth proportional to 59,793,990.40, 89,690,985.60 and 56,808,006.40 is: 85,212,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,793,990.40 : 89,690,985.60 = 56,808,006.40 : x
  2. Step 2: Convert to fraction form
    59,793,990.40/89,690,985.60 = 56,808,006.40/x
  3. Step 3: Cross multiply
    59,793,990.40x = 89,690,985.60 × 56,808,006.40
  4. Step 4: Simplify right side
    59,793,990.40x = 5,095,166,083,987,107
  5. Step 5: Solve for x
    x = 5,095,166,083,987,107/59,793,990.40
  6. Step 6: Final answer
    x = 85,212,009.60

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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.