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Finding the Fourth Proportional to 250,068.43, 345,094.86 and 135,347.14

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Solution

The fourth proportional to 250,068.43, 345,094.86 and 135,347.14 is: 186,779.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,068.43 : 345,094.86 = 135,347.14 : x
  2. Step 2: Convert to fraction form
    250,068.43/345,094.86 = 135,347.14/x
  3. Step 3: Cross multiply
    250,068.43x = 345,094.86 × 135,347.14
  4. Step 4: Simplify right side
    250,068.43x = 46,707,602,329.70
  5. Step 5: Solve for x
    x = 46,707,602,329.70/250,068.43
  6. Step 6: Final answer
    x = 186,779.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.