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Finding the Fourth Proportional to 130,003.48, 179,403.42 and 73,411.48

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Solution

The fourth proportional to 130,003.48, 179,403.42 and 73,411.48 is: 101,307.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,003.48 : 179,403.42 = 73,411.48 : x
  2. Step 2: Convert to fraction form
    130,003.48/179,403.42 = 73,411.48/x
  3. Step 3: Cross multiply
    130,003.48x = 179,403.42 × 73,411.48
  4. Step 4: Simplify right side
    130,003.48x = 13,170,270,579.26
  5. Step 5: Solve for x
    x = 13,170,270,579.26/130,003.48
  6. Step 6: Final answer
    x = 101,307.06

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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.