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Finding the Fourth Proportional to 125,777.60, 173,575.77 and 69,188.97

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Solution

The fourth proportional to 125,777.60, 173,575.77 and 69,188.97 is: 95,482.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,777.60 : 173,575.77 = 69,188.97 : x
  2. Step 2: Convert to fraction form
    125,777.60/173,575.77 = 69,188.97/x
  3. Step 3: Cross multiply
    125,777.60x = 173,575.77 × 69,188.97
  4. Step 4: Simplify right side
    125,777.60x = 12,009,528,743.26
  5. Step 5: Solve for x
    x = 12,009,528,743.26/125,777.60
  6. Step 6: Final answer
    x = 95,482.25

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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.