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Finding the Fourth Proportional to 124,059.16, 171,163.02 and 70,339.96

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Solution

The fourth proportional to 124,059.16, 171,163.02 and 70,339.96 is: 97,047.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,059.16 : 171,163.02 = 70,339.96 : x
  2. Step 2: Convert to fraction form
    124,059.16/171,163.02 = 70,339.96/x
  3. Step 3: Cross multiply
    124,059.16x = 171,163.02 × 70,339.96
  4. Step 4: Simplify right side
    124,059.16x = 12,039,599,980.28
  5. Step 5: Solve for x
    x = 12,039,599,980.28/124,059.16
  6. Step 6: Final answer
    x = 97,047.25

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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.