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Finding the Fourth Proportional to 59,784,706.40, 89,677,059.60 and 52,226,434.40

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Solution

The fourth proportional to 59,784,706.40, 89,677,059.60 and 52,226,434.40 is: 78,339,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,784,706.40 : 89,677,059.60 = 52,226,434.40 : x
  2. Step 2: Convert to fraction form
    59,784,706.40/89,677,059.60 = 52,226,434.40/x
  3. Step 3: Cross multiply
    59,784,706.40x = 89,677,059.60 × 52,226,434.40
  4. Step 4: Simplify right side
    59,784,706.40x = 4,683,513,070,384,290
  5. Step 5: Solve for x
    x = 4,683,513,070,384,290/59,784,706.40
  6. Step 6: Final answer
    x = 78,339,651.60

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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.