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Finding the Fourth Proportional to 125,363.34, 173,026.87 and 85,090.07

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Solution

The fourth proportional to 125,363.34, 173,026.87 and 85,090.07 is: 117,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,363.34 : 173,026.87 = 85,090.07 : x
  2. Step 2: Convert to fraction form
    125,363.34/173,026.87 = 85,090.07/x
  3. Step 3: Cross multiply
    125,363.34x = 173,026.87 × 85,090.07
  4. Step 4: Simplify right side
    125,363.34x = 14,722,868,700.02
  5. Step 5: Solve for x
    x = 14,722,868,700.02/125,363.34
  6. Step 6: Final answer
    x = 117,441.58

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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.