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Finding the Fourth Proportional to 113,017.56, 155,964.42 and 62,030.62

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Solution

The fourth proportional to 113,017.56, 155,964.42 and 62,030.62 is: 85,602.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,017.56 : 155,964.42 = 62,030.62 : x
  2. Step 2: Convert to fraction form
    113,017.56/155,964.42 = 62,030.62/x
  3. Step 3: Cross multiply
    113,017.56x = 155,964.42 × 62,030.62
  4. Step 4: Simplify right side
    113,017.56x = 9,674,570,293.07
  5. Step 5: Solve for x
    x = 9,674,570,293.07/113,017.56
  6. Step 6: Final answer
    x = 85,602.37

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1.5x scale

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.