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Finding the Fourth Proportional to 124,269.57, 171,485.91 and 70,547.54

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Solution

The fourth proportional to 124,269.57, 171,485.91 and 70,547.54 is: 97,352.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,269.57 : 171,485.91 = 70,547.54 : x
  2. Step 2: Convert to fraction form
    124,269.57/171,485.91 = 70,547.54/x
  3. Step 3: Cross multiply
    124,269.57x = 171,485.91 × 70,547.54
  4. Step 4: Simplify right side
    124,269.57x = 12,097,908,237.73
  5. Step 5: Solve for x
    x = 12,097,908,237.73/124,269.57
  6. Step 6: Final answer
    x = 97,352.14

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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.