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Finding the Fourth Proportional to 98,574.98, 136,030.21 and 62,295.81

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Solution

The fourth proportional to 98,574.98, 136,030.21 and 62,295.81 is: 85,966.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,574.98 : 136,030.21 = 62,295.81 : x
  2. Step 2: Convert to fraction form
    98,574.98/136,030.21 = 62,295.81/x
  3. Step 3: Cross multiply
    98,574.98x = 136,030.21 × 62,295.81
  4. Step 4: Simplify right side
    98,574.98x = 8,474,112,116.42
  5. Step 5: Solve for x
    x = 8,474,112,116.42/98,574.98
  6. Step 6: Final answer
    x = 85,966.16

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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.