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Finding the Fourth Proportional to 185,852.62, 256,458.11 and 105,264.06

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Solution

The fourth proportional to 185,852.62, 256,458.11 and 105,264.06 is: 145,253.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,852.62 : 256,458.11 = 105,264.06 : x
  2. Step 2: Convert to fraction form
    185,852.62/256,458.11 = 105,264.06/x
  3. Step 3: Cross multiply
    185,852.62x = 256,458.11 × 105,264.06
  4. Step 4: Simplify right side
    185,852.62x = 26,995,821,878.53
  5. Step 5: Solve for x
    x = 26,995,821,878.53/185,852.62
  6. Step 6: Final answer
    x = 145,253.92

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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.