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Finding the Fourth Proportional to 125,827, 173,641.26 and 69,237.16

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Solution

The fourth proportional to 125,827, 173,641.26 and 69,237.16 is: 95,547.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,827 : 173,641.26 = 69,237.16 : x
  2. Step 2: Convert to fraction form
    125,827/173,641.26 = 69,237.16/x
  3. Step 3: Cross multiply
    125,827x = 173,641.26 × 69,237.16
  4. Step 4: Simplify right side
    125,827x = 12,022,427,701.22
  5. Step 5: Solve for x
    x = 12,022,427,701.22/125,827
  6. Step 6: Final answer
    x = 95,547.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.