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Finding the Fourth Proportional to 189,403.62, 283,905.71 and 63,010.10

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Solution

The fourth proportional to 189,403.62, 283,905.71 and 63,010.10 is: 94,448.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,403.62 : 283,905.71 = 63,010.10 : x
  2. Step 2: Convert to fraction form
    189,403.62/283,905.71 = 63,010.10/x
  3. Step 3: Cross multiply
    189,403.62x = 283,905.71 × 63,010.10
  4. Step 4: Simplify right side
    189,403.62x = 17,888,927,808.67
  5. Step 5: Solve for x
    x = 17,888,927,808.67/189,403.62
  6. Step 6: Final answer
    x = 94,448.71

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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.