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Finding the Fourth Proportional to 173,041.40, 259,715.70 and 148,158.20

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Solution

The fourth proportional to 173,041.40, 259,715.70 and 148,158.20 is: 222,368.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,041.40 : 259,715.70 = 148,158.20 : x
  2. Step 2: Convert to fraction form
    173,041.40/259,715.70 = 148,158.20/x
  3. Step 3: Cross multiply
    173,041.40x = 259,715.70 × 148,158.20
  4. Step 4: Simplify right side
    173,041.40x = 38,479,010,623.74
  5. Step 5: Solve for x
    x = 38,479,010,623.74/173,041.40
  6. Step 6: Final answer
    x = 222,368.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.