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Finding the Fourth Proportional to 342,710.02, 514,188.02 and 153,154.51

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Solution

The fourth proportional to 342,710.02, 514,188.02 and 153,154.51 is: 229,786.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,710.02 : 514,188.02 = 153,154.51 : x
  2. Step 2: Convert to fraction form
    342,710.02/514,188.02 = 153,154.51/x
  3. Step 3: Cross multiply
    342,710.02x = 514,188.02 × 153,154.51
  4. Step 4: Simplify right side
    342,710.02x = 78,750,214,250.97
  5. Step 5: Solve for x
    x = 78,750,214,250.97/342,710.02
  6. Step 6: Final answer
    x = 229,786.73

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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.