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Finding the Fourth Proportional to 61,256,268.70, 85,822,549.10 and 61,256,268.70

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Solution

The fourth proportional to 61,256,268.70, 85,822,549.10 and 61,256,268.70 is: 85,822,549.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,256,268.70 : 85,822,549.10 = 61,256,268.70 : x
  2. Step 2: Convert to fraction form
    61,256,268.70/85,822,549.10 = 61,256,268.70/x
  3. Step 3: Cross multiply
    61,256,268.70x = 85,822,549.10 × 61,256,268.70
  4. Step 4: Simplify right side
    61,256,268.70x = 5,257,169,128,188,543
  5. Step 5: Solve for x
    x = 5,257,169,128,188,543/61,256,268.70
  6. Step 6: Final answer
    x = 85,822,549.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.