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Finding the Fourth Proportional to 172,962.90, 259,444.35 and 94,230.90

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Solution

The fourth proportional to 172,962.90, 259,444.35 and 94,230.90 is: 141,346.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,962.90 : 259,444.35 = 94,230.90 : x
  2. Step 2: Convert to fraction form
    172,962.90/259,444.35 = 94,230.90/x
  3. Step 3: Cross multiply
    172,962.90x = 259,444.35 × 94,230.90
  4. Step 4: Simplify right side
    172,962.90x = 24,447,674,600.42
  5. Step 5: Solve for x
    x = 24,447,674,600.42/172,962.90
  6. Step 6: Final answer
    x = 141,346.35

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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.