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Finding the Fourth Proportional to 235,938.20, 353,129.70 and 183,061.40

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Solution

The fourth proportional to 235,938.20, 353,129.70 and 183,061.40 is: 273,988.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,938.20 : 353,129.70 = 183,061.40 : x
  2. Step 2: Convert to fraction form
    235,938.20/353,129.70 = 183,061.40/x
  3. Step 3: Cross multiply
    235,938.20x = 353,129.70 × 183,061.40
  4. Step 4: Simplify right side
    235,938.20x = 64,644,417,263.58
  5. Step 5: Solve for x
    x = 64,644,417,263.58/235,938.20
  6. Step 6: Final answer
    x = 273,988.77

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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.