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Finding the Fourth Proportional to 123,492.60, 173,356.20 and 123,492.60

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Solution

The fourth proportional to 123,492.60, 173,356.20 and 123,492.60 is: 173,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,492.60 : 173,356.20 = 123,492.60 : x
  2. Step 2: Convert to fraction form
    123,492.60/173,356.20 = 123,492.60/x
  3. Step 3: Cross multiply
    123,492.60x = 173,356.20 × 123,492.60
  4. Step 4: Simplify right side
    123,492.60x = 21,408,207,864.12
  5. Step 5: Solve for x
    x = 21,408,207,864.12/123,492.60
  6. Step 6: Final answer
    x = 173,356.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.