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Finding the Fourth Proportional to 194,422.16, 291,633.16 and 46,678.16

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Solution

The fourth proportional to 194,422.16, 291,633.16 and 46,678.16 is: 70,017.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,422.16 : 291,633.16 = 46,678.16 : x
  2. Step 2: Convert to fraction form
    194,422.16/291,633.16 = 46,678.16/x
  3. Step 3: Cross multiply
    194,422.16x = 291,633.16 × 46,678.16
  4. Step 4: Simplify right side
    194,422.16x = 13,612,899,303.79
  5. Step 5: Solve for x
    x = 13,612,899,303.79/194,422.16
  6. Step 6: Final answer
    x = 70,017.22

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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.