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Finding the Fourth Proportional to 173,816.13, 239,866.25 and 94,328.13

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Solution

The fourth proportional to 173,816.13, 239,866.25 and 94,328.13 is: 130,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,816.13 : 239,866.25 = 94,328.13 : x
  2. Step 2: Convert to fraction form
    173,816.13/239,866.25 = 94,328.13/x
  3. Step 3: Cross multiply
    173,816.13x = 239,866.25 × 94,328.13
  4. Step 4: Simplify right side
    173,816.13x = 22,626,134,812.61
  5. Step 5: Solve for x
    x = 22,626,134,812.61/173,816.13
  6. Step 6: Final answer
    x = 130,172.81

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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.