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Finding the Fourth Proportional to 199,465.54, 275,443.54 and 148,459.64

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Solution

The fourth proportional to 199,465.54, 275,443.54 and 148,459.64 is: 205,009.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,465.54 : 275,443.54 = 148,459.64 : x
  2. Step 2: Convert to fraction form
    199,465.54/275,443.54 = 148,459.64/x
  3. Step 3: Cross multiply
    199,465.54x = 275,443.54 × 148,459.64
  4. Step 4: Simplify right side
    199,465.54x = 40,892,247,040.36
  5. Step 5: Solve for x
    x = 40,892,247,040.36/199,465.54
  6. Step 6: Final answer
    x = 205,009.08

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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.