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Finding the Fourth Proportional to 170,741.32, 256,111.98 and 65,502.84

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Solution

The fourth proportional to 170,741.32, 256,111.98 and 65,502.84 is: 98,254.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,741.32 : 256,111.98 = 65,502.84 : x
  2. Step 2: Convert to fraction form
    170,741.32/256,111.98 = 65,502.84/x
  3. Step 3: Cross multiply
    170,741.32x = 256,111.98 × 65,502.84
  4. Step 4: Simplify right side
    170,741.32x = 16,776,062,048.02
  5. Step 5: Solve for x
    x = 16,776,062,048.02/170,741.32
  6. Step 6: Final answer
    x = 98,254.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.