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Finding the Fourth Proportional to 185,617.64, 256,149.60 and 105,060.44

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Solution

The fourth proportional to 185,617.64, 256,149.60 and 105,060.44 is: 144,981.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,617.64 : 256,149.60 = 105,060.44 : x
  2. Step 2: Convert to fraction form
    185,617.64/256,149.60 = 105,060.44/x
  3. Step 3: Cross multiply
    185,617.64x = 256,149.60 × 105,060.44
  4. Step 4: Simplify right side
    185,617.64x = 26,911,189,681.82
  5. Step 5: Solve for x
    x = 26,911,189,681.82/185,617.64
  6. Step 6: Final answer
    x = 144,981.85

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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.