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Finding the Fourth Proportional to 117,307.60, 175,959.80 and 38,424.40

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Solution

The fourth proportional to 117,307.60, 175,959.80 and 38,424.40 is: 57,636.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,307.60 : 175,959.80 = 38,424.40 : x
  2. Step 2: Convert to fraction form
    117,307.60/175,959.80 = 38,424.40/x
  3. Step 3: Cross multiply
    117,307.60x = 175,959.80 × 38,424.40
  4. Step 4: Simplify right side
    117,307.60x = 6,761,149,739.12
  5. Step 5: Solve for x
    x = 6,761,149,739.12/117,307.60
  6. Step 6: Final answer
    x = 57,636.08

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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.