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Finding the Fourth Proportional to 124,395.94, 171,659.92 and 70,673.50

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Solution

The fourth proportional to 124,395.94, 171,659.92 and 70,673.50 is: 97,525.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,395.94 : 171,659.92 = 70,673.50 : x
  2. Step 2: Convert to fraction form
    124,395.94/171,659.92 = 70,673.50/x
  3. Step 3: Cross multiply
    124,395.94x = 171,659.92 × 70,673.50
  4. Step 4: Simplify right side
    124,395.94x = 12,131,807,356.12
  5. Step 5: Solve for x
    x = 12,131,807,356.12/124,395.94
  6. Step 6: Final answer
    x = 97,525.75

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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.