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Finding the Fourth Proportional to 125,574.80, 188,302.80 and 73,000.40

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Solution

The fourth proportional to 125,574.80, 188,302.80 and 73,000.40 is: 109,466.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,574.80 : 188,302.80 = 73,000.40 : x
  2. Step 2: Convert to fraction form
    125,574.80/188,302.80 = 73,000.40/x
  3. Step 3: Cross multiply
    125,574.80x = 188,302.80 × 73,000.40
  4. Step 4: Simplify right side
    125,574.80x = 13,746,179,721.12
  5. Step 5: Solve for x
    x = 13,746,179,721.12/125,574.80
  6. Step 6: Final answer
    x = 109,466.07

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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.