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Finding the Fourth Proportional to 113,012.58, 155,959.34 and 62,030.08

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Solution

The fourth proportional to 113,012.58, 155,959.34 and 62,030.08 is: 85,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,012.58 : 155,959.34 = 62,030.08 : x
  2. Step 2: Convert to fraction form
    113,012.58/155,959.34 = 62,030.08/x
  3. Step 3: Cross multiply
    113,012.58x = 155,959.34 × 62,030.08
  4. Step 4: Simplify right side
    113,012.58x = 9,674,170,336.95
  5. Step 5: Solve for x
    x = 9,674,170,336.95/113,012.58
  6. Step 6: Final answer
    x = 85,602.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.