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Finding the Fourth Proportional to 272,036.30, 408,054.45 and 124,580.30

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Solution

The fourth proportional to 272,036.30, 408,054.45 and 124,580.30 is: 186,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,036.30 : 408,054.45 = 124,580.30 : x
  2. Step 2: Convert to fraction form
    272,036.30/408,054.45 = 124,580.30/x
  3. Step 3: Cross multiply
    272,036.30x = 408,054.45 × 124,580.30
  4. Step 4: Simplify right side
    272,036.30x = 50,835,545,797.34
  5. Step 5: Solve for x
    x = 50,835,545,797.34/272,036.30
  6. Step 6: Final answer
    x = 186,870.45

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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.