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Finding the Fourth Proportional to 52,429,566.60, 78,644,349.90 and 34,289,713.80

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Solution

The fourth proportional to 52,429,566.60, 78,644,349.90 and 34,289,713.80 is: 51,434,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,429,566.60 : 78,644,349.90 = 34,289,713.80 : x
  2. Step 2: Convert to fraction form
    52,429,566.60/78,644,349.90 = 34,289,713.80/x
  3. Step 3: Cross multiply
    52,429,566.60x = 78,644,349.90 × 34,289,713.80
  4. Step 4: Simplify right side
    52,429,566.60x = 2,696,692,250,058,058.50
  5. Step 5: Solve for x
    x = 2,696,692,250,058,058.50/52,429,566.60
  6. Step 6: Final answer
    x = 51,434,570.70

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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.