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Finding the Fourth Proportional to 124,317.86, 171,558.87 and 70,602.87

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Solution

The fourth proportional to 124,317.86, 171,558.87 and 70,602.87 is: 97,432.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,317.86 : 171,558.87 = 70,602.87 : x
  2. Step 2: Convert to fraction form
    124,317.86/171,558.87 = 70,602.87/x
  3. Step 3: Cross multiply
    124,317.86x = 171,558.87 × 70,602.87
  4. Step 4: Simplify right side
    124,317.86x = 12,112,548,595.96
  5. Step 5: Solve for x
    x = 12,112,548,595.96/124,317.86
  6. Step 6: Final answer
    x = 97,432.09

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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.