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Finding the Fourth Proportional to 148,307.83, 204,679.50 and 84,655.20

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Solution

The fourth proportional to 148,307.83, 204,679.50 and 84,655.20 is: 116,832.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,307.83 : 204,679.50 = 84,655.20 : x
  2. Step 2: Convert to fraction form
    148,307.83/204,679.50 = 84,655.20/x
  3. Step 3: Cross multiply
    148,307.83x = 204,679.50 × 84,655.20
  4. Step 4: Simplify right side
    148,307.83x = 17,327,184,008.40
  5. Step 5: Solve for x
    x = 17,327,184,008.40/148,307.83
  6. Step 6: Final answer
    x = 116,832.56

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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.