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Finding the Fourth Proportional to 342,060.04, 513,200.80 and 164,543.94

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Solution

The fourth proportional to 342,060.04, 513,200.80 and 164,543.94 is: 246,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,060.04 : 513,200.80 = 164,543.94 : x
  2. Step 2: Convert to fraction form
    342,060.04/513,200.80 = 164,543.94/x
  3. Step 3: Cross multiply
    342,060.04x = 513,200.80 × 164,543.94
  4. Step 4: Simplify right side
    342,060.04x = 84,444,081,643.15
  5. Step 5: Solve for x
    x = 84,444,081,643.15/342,060.04
  6. Step 6: Final answer
    x = 246,869.18

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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.