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Finding the Fourth Proportional to 255,094.30, 382,313.40 and 155,148.40

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Solution

The fourth proportional to 255,094.30, 382,313.40 and 155,148.40 is: 232,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,094.30 : 382,313.40 = 155,148.40 : x
  2. Step 2: Convert to fraction form
    255,094.30/382,313.40 = 155,148.40/x
  3. Step 3: Cross multiply
    255,094.30x = 382,313.40 × 155,148.40
  4. Step 4: Simplify right side
    255,094.30x = 59,315,312,308.56
  5. Step 5: Solve for x
    x = 59,315,312,308.56/255,094.30
  6. Step 6: Final answer
    x = 232,523.08

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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.