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Finding the Fourth Proportional to 118,244.82, 177,253.95 and 39,303.57

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Solution

The fourth proportional to 118,244.82, 177,253.95 and 39,303.57 is: 58,917.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,244.82 : 177,253.95 = 39,303.57 : x
  2. Step 2: Convert to fraction form
    118,244.82/177,253.95 = 39,303.57/x
  3. Step 3: Cross multiply
    118,244.82x = 177,253.95 × 39,303.57
  4. Step 4: Simplify right side
    118,244.82x = 6,966,713,031.60
  5. Step 5: Solve for x
    x = 6,966,713,031.60/118,244.82
  6. Step 6: Final answer
    x = 58,917.70

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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.