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Finding the Fourth Proportional to 256,127.68, 353,332.56 and 160,599.52

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Solution

The fourth proportional to 256,127.68, 353,332.56 and 160,599.52 is: 221,549.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,127.68 : 353,332.56 = 160,599.52 : x
  2. Step 2: Convert to fraction form
    256,127.68/353,332.56 = 160,599.52/x
  3. Step 3: Cross multiply
    256,127.68x = 353,332.56 × 160,599.52
  4. Step 4: Simplify right side
    256,127.68x = 56,745,039,536.37
  5. Step 5: Solve for x
    x = 56,745,039,536.37/256,127.68
  6. Step 6: Final answer
    x = 221,549.81

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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.