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Finding the Fourth Proportional to 185,953.11, 256,616.99 and 101,070.38

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Solution

The fourth proportional to 185,953.11, 256,616.99 and 101,070.38 is: 139,478.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,953.11 : 256,616.99 = 101,070.38 : x
  2. Step 2: Convert to fraction form
    185,953.11/256,616.99 = 101,070.38/x
  3. Step 3: Cross multiply
    185,953.11x = 256,616.99 × 101,070.38
  4. Step 4: Simplify right side
    185,953.11x = 25,936,374,905.32
  5. Step 5: Solve for x
    x = 25,936,374,905.32/185,953.11
  6. Step 6: Final answer
    x = 139,478.04

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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.