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Finding the Fourth Proportional to 168,802.40, 253,203.60 and 155,024.30

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Solution

The fourth proportional to 168,802.40, 253,203.60 and 155,024.30 is: 232,536.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,802.40 : 253,203.60 = 155,024.30 : x
  2. Step 2: Convert to fraction form
    168,802.40/253,203.60 = 155,024.30/x
  3. Step 3: Cross multiply
    168,802.40x = 253,203.60 × 155,024.30
  4. Step 4: Simplify right side
    168,802.40x = 39,252,710,847.48
  5. Step 5: Solve for x
    x = 39,252,710,847.48/168,802.40
  6. Step 6: Final answer
    x = 232,536.45

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1.5x scale

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.