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Finding the Fourth Proportional to 125,656.95, 173,406.57 and 69,068.32

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Solution

The fourth proportional to 125,656.95, 173,406.57 and 69,068.32 is: 95,314.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,656.95 : 173,406.57 = 69,068.32 : x
  2. Step 2: Convert to fraction form
    125,656.95/173,406.57 = 69,068.32/x
  3. Step 3: Cross multiply
    125,656.95x = 173,406.57 × 69,068.32
  4. Step 4: Simplify right side
    125,656.95x = 11,976,900,466.86
  5. Step 5: Solve for x
    x = 11,976,900,466.86/125,656.95
  6. Step 6: Final answer
    x = 95,314.27

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1.5x scale

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.