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Finding the Fourth Proportional to 194,572.64, 291,873.36 and 69,914.72

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Solution

The fourth proportional to 194,572.64, 291,873.36 and 69,914.72 is: 104,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,572.64 : 291,873.36 = 69,914.72 : x
  2. Step 2: Convert to fraction form
    194,572.64/291,873.36 = 69,914.72/x
  3. Step 3: Cross multiply
    194,572.64x = 291,873.36 × 69,914.72
  4. Step 4: Simplify right side
    194,572.64x = 20,406,244,239.86
  5. Step 5: Solve for x
    x = 20,406,244,239.86/194,572.64
  6. Step 6: Final answer
    x = 104,877.25

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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.