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Finding the Fourth Proportional to 151,706.40, 211,995.30 and 151,706.40

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Solution

The fourth proportional to 151,706.40, 211,995.30 and 151,706.40 is: 211,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,706.40 : 211,995.30 = 151,706.40 : x
  2. Step 2: Convert to fraction form
    151,706.40/211,995.30 = 151,706.40/x
  3. Step 3: Cross multiply
    151,706.40x = 211,995.30 × 151,706.40
  4. Step 4: Simplify right side
    151,706.40x = 32,161,043,779.92
  5. Step 5: Solve for x
    x = 32,161,043,779.92/151,706.40
  6. Step 6: Final answer
    x = 211,995.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.