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Finding the Fourth Proportional to 124,389.48, 171,655.74 and 67,801.08

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Solution

The fourth proportional to 124,389.48, 171,655.74 and 67,801.08 is: 93,564.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,389.48 : 171,655.74 = 67,801.08 : x
  2. Step 2: Convert to fraction form
    124,389.48/171,655.74 = 67,801.08/x
  3. Step 3: Cross multiply
    124,389.48x = 171,655.74 × 67,801.08
  4. Step 4: Simplify right side
    124,389.48x = 11,638,444,560.20
  5. Step 5: Solve for x
    x = 11,638,444,560.20/124,389.48
  6. Step 6: Final answer
    x = 93,564.54

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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.