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Finding the Fourth Proportional to 190,404.64, 285,533.13 and 101,609.71

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Solution

The fourth proportional to 190,404.64, 285,533.13 and 101,609.71 is: 152,375.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,404.64 : 285,533.13 = 101,609.71 : x
  2. Step 2: Convert to fraction form
    190,404.64/285,533.13 = 101,609.71/x
  3. Step 3: Cross multiply
    190,404.64x = 285,533.13 × 101,609.71
  4. Step 4: Simplify right side
    190,404.64x = 29,012,938,534.69
  5. Step 5: Solve for x
    x = 29,012,938,534.69/190,404.64
  6. Step 6: Final answer
    x = 152,375.17

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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.