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Finding the Fourth Proportional to 164,882.20, 247,614.90 and 127,533.10

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Solution

The fourth proportional to 164,882.20, 247,614.90 and 127,533.10 is: 191,525.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,882.20 : 247,614.90 = 127,533.10 : x
  2. Step 2: Convert to fraction form
    164,882.20/247,614.90 = 127,533.10/x
  3. Step 3: Cross multiply
    164,882.20x = 247,614.90 × 127,533.10
  4. Step 4: Simplify right side
    164,882.20x = 31,579,095,803.19
  5. Step 5: Solve for x
    x = 31,579,095,803.19/164,882.20
  6. Step 6: Final answer
    x = 191,525.20

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1.5x scale

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.