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Finding the Fourth Proportional to 174,013.40, 260,436.90 and 153,018.20

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Solution

The fourth proportional to 174,013.40, 260,436.90 and 153,018.20 is: 229,014.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,013.40 : 260,436.90 = 153,018.20 : x
  2. Step 2: Convert to fraction form
    174,013.40/260,436.90 = 153,018.20/x
  3. Step 3: Cross multiply
    174,013.40x = 260,436.90 × 153,018.20
  4. Step 4: Simplify right side
    174,013.40x = 39,851,585,651.58
  5. Step 5: Solve for x
    x = 39,851,585,651.58/174,013.40
  6. Step 6: Final answer
    x = 229,014.46

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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.