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Finding the Fourth Proportional to 302,248.95, 453,357 and 91,870.47

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Solution

The fourth proportional to 302,248.95, 453,357 and 91,870.47 is: 137,800.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,248.95 : 453,357 = 91,870.47 : x
  2. Step 2: Convert to fraction form
    302,248.95/453,357 = 91,870.47/x
  3. Step 3: Cross multiply
    302,248.95x = 453,357 × 91,870.47
  4. Step 4: Simplify right side
    302,248.95x = 41,650,120,667.79
  5. Step 5: Solve for x
    x = 41,650,120,667.79/302,248.95
  6. Step 6: Final answer
    x = 137,800.71

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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.