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Finding the Fourth Proportional to 191,801.06, 264,685.49 and 106,918.13

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Solution

The fourth proportional to 191,801.06, 264,685.49 and 106,918.13 is: 147,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,801.06 : 264,685.49 = 106,918.13 : x
  2. Step 2: Convert to fraction form
    191,801.06/264,685.49 = 106,918.13/x
  3. Step 3: Cross multiply
    191,801.06x = 264,685.49 × 106,918.13
  4. Step 4: Simplify right side
    191,801.06x = 28,299,675,770.92
  5. Step 5: Solve for x
    x = 28,299,675,770.92/191,801.06
  6. Step 6: Final answer
    x = 147,547.02

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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.