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Finding the Fourth Proportional to 230,843.90, 346,557.45 and 124,312.70

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Solution

The fourth proportional to 230,843.90, 346,557.45 and 124,312.70 is: 186,626.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,843.90 : 346,557.45 = 124,312.70 : x
  2. Step 2: Convert to fraction form
    230,843.90/346,557.45 = 124,312.70/x
  3. Step 3: Cross multiply
    230,843.90x = 346,557.45 × 124,312.70
  4. Step 4: Simplify right side
    230,843.90x = 43,081,492,314.62
  5. Step 5: Solve for x
    x = 43,081,492,314.62/230,843.90
  6. Step 6: Final answer
    x = 186,626.08

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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.