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Finding the Fourth Proportional to 151,762.40, 227,643.60 and 92,713.40

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Solution

The fourth proportional to 151,762.40, 227,643.60 and 92,713.40 is: 139,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,762.40 : 227,643.60 = 92,713.40 : x
  2. Step 2: Convert to fraction form
    151,762.40/227,643.60 = 92,713.40/x
  3. Step 3: Cross multiply
    151,762.40x = 227,643.60 × 92,713.40
  4. Step 4: Simplify right side
    151,762.40x = 21,105,612,144.24
  5. Step 5: Solve for x
    x = 21,105,612,144.24/151,762.40
  6. Step 6: Final answer
    x = 139,070.10

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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.