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Finding the Fourth Proportional to 203,925.40, 305,888.10 and 63,698.20

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Solution

The fourth proportional to 203,925.40, 305,888.10 and 63,698.20 is: 95,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,925.40 : 305,888.10 = 63,698.20 : x
  2. Step 2: Convert to fraction form
    203,925.40/305,888.10 = 63,698.20/x
  3. Step 3: Cross multiply
    203,925.40x = 305,888.10 × 63,698.20
  4. Step 4: Simplify right side
    203,925.40x = 19,484,521,371.42
  5. Step 5: Solve for x
    x = 19,484,521,371.42/203,925.40
  6. Step 6: Final answer
    x = 95,547.30

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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.