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Finding the Fourth Proportional to 56,663,856.60, 84,995,784.90 and 44,334,425.40

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Solution

The fourth proportional to 56,663,856.60, 84,995,784.90 and 44,334,425.40 is: 66,501,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,663,856.60 : 84,995,784.90 = 44,334,425.40 : x
  2. Step 2: Convert to fraction form
    56,663,856.60/84,995,784.90 = 44,334,425.40/x
  3. Step 3: Cross multiply
    56,663,856.60x = 84,995,784.90 × 44,334,425.40
  4. Step 4: Simplify right side
    56,663,856.60x = 3,768,239,284,963,496.50
  5. Step 5: Solve for x
    x = 3,768,239,284,963,496.50/56,663,856.60
  6. Step 6: Final answer
    x = 66,501,638.10

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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.