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Finding the Fourth Proportional to 254,308.32, 350,835.84 and 153,648

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Solution

The fourth proportional to 254,308.32, 350,835.84 and 153,648 is: 211,968.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,308.32 : 350,835.84 = 153,648 : x
  2. Step 2: Convert to fraction form
    254,308.32/350,835.84 = 153,648/x
  3. Step 3: Cross multiply
    254,308.32x = 350,835.84 × 153,648
  4. Step 4: Simplify right side
    254,308.32x = 53,905,225,144.32
  5. Step 5: Solve for x
    x = 53,905,225,144.32/254,308.32
  6. Step 6: Final answer
    x = 211,968.00

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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.