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Finding the Fourth Proportional to 125,401.53, 173,023.65 and 70,954.68

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Solution

The fourth proportional to 125,401.53, 173,023.65 and 70,954.68 is: 97,900.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,401.53 : 173,023.65 = 70,954.68 : x
  2. Step 2: Convert to fraction form
    125,401.53/173,023.65 = 70,954.68/x
  3. Step 3: Cross multiply
    125,401.53x = 173,023.65 × 70,954.68
  4. Step 4: Simplify right side
    125,401.53x = 12,276,837,718.18
  5. Step 5: Solve for x
    x = 12,276,837,718.18/125,401.53
  6. Step 6: Final answer
    x = 97,900.22

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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.