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Finding the Fourth Proportional to 200,737.40, 301,106.10 and 153,498.20

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Solution

The fourth proportional to 200,737.40, 301,106.10 and 153,498.20 is: 230,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,737.40 : 301,106.10 = 153,498.20 : x
  2. Step 2: Convert to fraction form
    200,737.40/301,106.10 = 153,498.20/x
  3. Step 3: Cross multiply
    200,737.40x = 301,106.10 × 153,498.20
  4. Step 4: Simplify right side
    200,737.40x = 46,219,244,359.02
  5. Step 5: Solve for x
    x = 46,219,244,359.02/200,737.40
  6. Step 6: Final answer
    x = 230,247.30

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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.