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Finding the Fourth Proportional to 191,180.95, 286,603.75 and 72,773.53

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Solution

The fourth proportional to 191,180.95, 286,603.75 and 72,773.53 is: 109,096.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,180.95 : 286,603.75 = 72,773.53 : x
  2. Step 2: Convert to fraction form
    191,180.95/286,603.75 = 72,773.53/x
  3. Step 3: Cross multiply
    191,180.95x = 286,603.75 × 72,773.53
  4. Step 4: Simplify right side
    191,180.95x = 20,857,165,973.20
  5. Step 5: Solve for x
    x = 20,857,165,973.20/191,180.95
  6. Step 6: Final answer
    x = 109,096.47

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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.