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Finding the Fourth Proportional to 216,525.52, 324,853.88 and 98,165.08

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Solution

The fourth proportional to 216,525.52, 324,853.88 and 98,165.08 is: 147,277.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,525.52 : 324,853.88 = 98,165.08 : x
  2. Step 2: Convert to fraction form
    216,525.52/324,853.88 = 98,165.08/x
  3. Step 3: Cross multiply
    216,525.52x = 324,853.88 × 98,165.08
  4. Step 4: Simplify right side
    216,525.52x = 31,889,307,118.51
  5. Step 5: Solve for x
    x = 31,889,307,118.51/216,525.52
  6. Step 6: Final answer
    x = 147,277.36

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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.