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Finding the Fourth Proportional to 170,124.04, 255,280.04 and 70,261

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Solution

The fourth proportional to 170,124.04, 255,280.04 and 70,261 is: 105,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,124.04 : 255,280.04 = 70,261 : x
  2. Step 2: Convert to fraction form
    170,124.04/255,280.04 = 70,261/x
  3. Step 3: Cross multiply
    170,124.04x = 255,280.04 × 70,261
  4. Step 4: Simplify right side
    170,124.04x = 17,936,230,890.44
  5. Step 5: Solve for x
    x = 17,936,230,890.44/170,124.04
  6. Step 6: Final answer
    x = 105,430.31

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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.