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Finding the Fourth Proportional to 158,643.01, 237,880.76 and 83,803.33

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Solution

The fourth proportional to 158,643.01, 237,880.76 and 83,803.33 is: 125,660.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,643.01 : 237,880.76 = 83,803.33 : x
  2. Step 2: Convert to fraction form
    158,643.01/237,880.76 = 83,803.33/x
  3. Step 3: Cross multiply
    158,643.01x = 237,880.76 × 83,803.33
  4. Step 4: Simplify right side
    158,643.01x = 19,935,199,411.91
  5. Step 5: Solve for x
    x = 19,935,199,411.91/158,643.01
  6. Step 6: Final answer
    x = 125,660.75

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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.