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Finding the Fourth Proportional to 242,386.72, 334,489.68 and 141,801.76

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Solution

The fourth proportional to 242,386.72, 334,489.68 and 141,801.76 is: 195,684.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,386.72 : 334,489.68 = 141,801.76 : x
  2. Step 2: Convert to fraction form
    242,386.72/334,489.68 = 141,801.76/x
  3. Step 3: Cross multiply
    242,386.72x = 334,489.68 × 141,801.76
  4. Step 4: Simplify right side
    242,386.72x = 47,431,225,325.84
  5. Step 5: Solve for x
    x = 47,431,225,325.84/242,386.72
  6. Step 6: Final answer
    x = 195,684.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.