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Finding the Fourth Proportional to 255,995.64, 353,273.40 and 148,628.52

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Solution

The fourth proportional to 255,995.64, 353,273.40 and 148,628.52 is: 205,107.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,995.64 : 353,273.40 = 148,628.52 : x
  2. Step 2: Convert to fraction form
    255,995.64/353,273.40 = 148,628.52/x
  3. Step 3: Cross multiply
    255,995.64x = 353,273.40 × 148,628.52
  4. Step 4: Simplify right side
    255,995.64x = 52,506,502,597.37
  5. Step 5: Solve for x
    x = 52,506,502,597.37/255,995.64
  6. Step 6: Final answer
    x = 205,107.02

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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.