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Finding the Fourth Proportional to 124,406.99, 171,666.59 and 70,676.96

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Solution

The fourth proportional to 124,406.99, 171,666.59 and 70,676.96 is: 97,525.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,406.99 : 171,666.59 = 70,676.96 : x
  2. Step 2: Convert to fraction form
    124,406.99/171,666.59 = 70,676.96/x
  3. Step 3: Cross multiply
    124,406.99x = 171,666.59 × 70,676.96
  4. Step 4: Simplify right side
    124,406.99x = 12,132,871,900.61
  5. Step 5: Solve for x
    x = 12,132,871,900.61/124,406.99
  6. Step 6: Final answer
    x = 97,525.65

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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.