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Finding the Fourth Proportional to 189,312.79, 283,862.67 and 62,885.38

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Solution

The fourth proportional to 189,312.79, 283,862.67 and 62,885.38 is: 94,292.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,312.79 : 283,862.67 = 62,885.38 : x
  2. Step 2: Convert to fraction form
    189,312.79/283,862.67 = 62,885.38/x
  3. Step 3: Cross multiply
    189,312.79x = 283,862.67 × 62,885.38
  4. Step 4: Simplify right side
    189,312.79x = 17,850,811,870.76
  5. Step 5: Solve for x
    x = 17,850,811,870.76/189,312.79
  6. Step 6: Final answer
    x = 94,292.69

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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.