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Finding the Fourth Proportional to 176,807.20, 265,210.80 and 134,816.80

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Solution

The fourth proportional to 176,807.20, 265,210.80 and 134,816.80 is: 202,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,807.20 : 265,210.80 = 134,816.80 : x
  2. Step 2: Convert to fraction form
    176,807.20/265,210.80 = 134,816.80/x
  3. Step 3: Cross multiply
    176,807.20x = 265,210.80 × 134,816.80
  4. Step 4: Simplify right side
    176,807.20x = 35,754,871,381.44
  5. Step 5: Solve for x
    x = 35,754,871,381.44/176,807.20
  6. Step 6: Final answer
    x = 202,225.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.