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Finding the Fourth Proportional to 124,130.88, 171,313.22 and 73,160.03

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Solution

The fourth proportional to 124,130.88, 171,313.22 and 73,160.03 is: 100,968.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,130.88 : 171,313.22 = 73,160.03 : x
  2. Step 2: Convert to fraction form
    124,130.88/171,313.22 = 73,160.03/x
  3. Step 3: Cross multiply
    124,130.88x = 171,313.22 × 73,160.03
  4. Step 4: Simplify right side
    124,130.88x = 12,533,280,925.78
  5. Step 5: Solve for x
    x = 12,533,280,925.78/124,130.88
  6. Step 6: Final answer
    x = 100,968.28

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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.