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Finding the Fourth Proportional to 190,307.38, 285,465.71 and 63,949.46

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Solution

The fourth proportional to 190,307.38, 285,465.71 and 63,949.46 is: 95,925.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,307.38 : 285,465.71 = 63,949.46 : x
  2. Step 2: Convert to fraction form
    190,307.38/285,465.71 = 63,949.46/x
  3. Step 3: Cross multiply
    190,307.38x = 285,465.71 × 63,949.46
  4. Step 4: Simplify right side
    190,307.38x = 18,255,378,003.02
  5. Step 5: Solve for x
    x = 18,255,378,003.02/190,307.38
  6. Step 6: Final answer
    x = 95,925.75

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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.