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Finding the Fourth Proportional to 191,268, 286,948.08 and 59,940

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Solution

The fourth proportional to 191,268, 286,948.08 and 59,940 is: 89,924.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,268 : 286,948.08 = 59,940 : x
  2. Step 2: Convert to fraction form
    191,268/286,948.08 = 59,940/x
  3. Step 3: Cross multiply
    191,268x = 286,948.08 × 59,940
  4. Step 4: Simplify right side
    191,268x = 17,199,667,915.20
  5. Step 5: Solve for x
    x = 17,199,667,915.20/191,268
  6. Step 6: Final answer
    x = 89,924.44

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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.