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Finding the Fourth Proportional to 225,025.98, 310,389.54 and 144,325.68

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Solution

The fourth proportional to 225,025.98, 310,389.54 and 144,325.68 is: 199,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,025.98 : 310,389.54 = 144,325.68 : x
  2. Step 2: Convert to fraction form
    225,025.98/310,389.54 = 144,325.68/x
  3. Step 3: Cross multiply
    225,025.98x = 310,389.54 × 144,325.68
  4. Step 4: Simplify right side
    225,025.98x = 44,797,181,466.15
  5. Step 5: Solve for x
    x = 44,797,181,466.15/225,025.98
  6. Step 6: Final answer
    x = 199,075.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.