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Finding the Fourth Proportional to 117,510.78, 176,228.73 and 38,606.70

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Solution

The fourth proportional to 117,510.78, 176,228.73 and 38,606.70 is: 57,897.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,510.78 : 176,228.73 = 38,606.70 : x
  2. Step 2: Convert to fraction form
    117,510.78/176,228.73 = 38,606.70/x
  3. Step 3: Cross multiply
    117,510.78x = 176,228.73 × 38,606.70
  4. Step 4: Simplify right side
    117,510.78x = 6,803,609,710.49
  5. Step 5: Solve for x
    x = 6,803,609,710.49/117,510.78
  6. Step 6: Final answer
    x = 57,897.75

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1.5x scale

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.