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Finding the Fourth Proportional to 185,557.99, 256,042.81 and 103,882.01

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Solution

The fourth proportional to 185,557.99, 256,042.81 and 103,882.01 is: 143,341.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,557.99 : 256,042.81 = 103,882.01 : x
  2. Step 2: Convert to fraction form
    185,557.99/256,042.81 = 103,882.01/x
  3. Step 3: Cross multiply
    185,557.99x = 256,042.81 × 103,882.01
  4. Step 4: Simplify right side
    185,557.99x = 26,598,240,812.46
  5. Step 5: Solve for x
    x = 26,598,240,812.46/185,557.99
  6. Step 6: Final answer
    x = 143,341.93

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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.