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Finding the Fourth Proportional to 163,528.80, 245,098.80 and 146,810.40

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Solution

The fourth proportional to 163,528.80, 245,098.80 and 146,810.40 is: 220,041.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,528.80 : 245,098.80 = 146,810.40 : x
  2. Step 2: Convert to fraction form
    163,528.80/245,098.80 = 146,810.40/x
  3. Step 3: Cross multiply
    163,528.80x = 245,098.80 × 146,810.40
  4. Step 4: Simplify right side
    163,528.80x = 35,983,052,867.52
  5. Step 5: Solve for x
    x = 35,983,052,867.52/163,528.80
  6. Step 6: Final answer
    x = 220,041.07

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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.