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Finding the Fourth Proportional to 62,870.40, 94,159.80 and 43,041.60

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Solution

The fourth proportional to 62,870.40, 94,159.80 and 43,041.60 is: 64,462.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,870.40 : 94,159.80 = 43,041.60 : x
  2. Step 2: Convert to fraction form
    62,870.40/94,159.80 = 43,041.60/x
  3. Step 3: Cross multiply
    62,870.40x = 94,159.80 × 43,041.60
  4. Step 4: Simplify right side
    62,870.40x = 4,052,788,447.68
  5. Step 5: Solve for x
    x = 4,052,788,447.68/62,870.40
  6. Step 6: Final answer
    x = 64,462.58

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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.