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Finding the Fourth Proportional to 130,327, 179,851.44 and 73,737.16

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Solution

The fourth proportional to 130,327, 179,851.44 and 73,737.16 is: 101,757.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,327 : 179,851.44 = 73,737.16 : x
  2. Step 2: Convert to fraction form
    130,327/179,851.44 = 73,737.16/x
  3. Step 3: Cross multiply
    130,327x = 179,851.44 × 73,737.16
  4. Step 4: Simplify right side
    130,327x = 13,261,734,407.51
  5. Step 5: Solve for x
    x = 13,261,734,407.51/130,327
  6. Step 6: Final answer
    x = 101,757.38

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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.