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Finding the Fourth Proportional to 170,030.80, 255,046.20 and 152,534.80

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Solution

The fourth proportional to 170,030.80, 255,046.20 and 152,534.80 is: 228,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,030.80 : 255,046.20 = 152,534.80 : x
  2. Step 2: Convert to fraction form
    170,030.80/255,046.20 = 152,534.80/x
  3. Step 3: Cross multiply
    170,030.80x = 255,046.20 × 152,534.80
  4. Step 4: Simplify right side
    170,030.80x = 38,903,421,107.76
  5. Step 5: Solve for x
    x = 38,903,421,107.76/170,030.80
  6. Step 6: Final answer
    x = 228,802.20

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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.