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Finding the Fourth Proportional to 151,782.40, 227,527.80 and 118,029.70

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Solution

The fourth proportional to 151,782.40, 227,527.80 and 118,029.70 is: 176,931.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,782.40 : 227,527.80 = 118,029.70 : x
  2. Step 2: Convert to fraction form
    151,782.40/227,527.80 = 118,029.70/x
  3. Step 3: Cross multiply
    151,782.40x = 227,527.80 × 118,029.70
  4. Step 4: Simplify right side
    151,782.40x = 26,855,037,975.66
  5. Step 5: Solve for x
    x = 26,855,037,975.66/151,782.40
  6. Step 6: Final answer
    x = 176,931.17

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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.