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Finding the Fourth Proportional to 377,155.53, 565,613.16 and 124,388.75

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Solution

The fourth proportional to 377,155.53, 565,613.16 and 124,388.75 is: 186,543.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,155.53 : 565,613.16 = 124,388.75 : x
  2. Step 2: Convert to fraction form
    377,155.53/565,613.16 = 124,388.75/x
  3. Step 3: Cross multiply
    377,155.53x = 565,613.16 × 124,388.75
  4. Step 4: Simplify right side
    377,155.53x = 70,355,913,955.95
  5. Step 5: Solve for x
    x = 70,355,913,955.95/377,155.53
  6. Step 6: Final answer
    x = 186,543.50

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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.