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Finding the Fourth Proportional to 500,152.66, 750,182.40 and 140,357.14

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Solution

The fourth proportional to 500,152.66, 750,182.40 and 140,357.14 is: 210,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,152.66 : 750,182.40 = 140,357.14 : x
  2. Step 2: Convert to fraction form
    500,152.66/750,182.40 = 140,357.14/x
  3. Step 3: Cross multiply
    500,152.66x = 750,182.40 × 140,357.14
  4. Step 4: Simplify right side
    500,152.66x = 105,293,456,142.34
  5. Step 5: Solve for x
    x = 105,293,456,142.34/500,152.66
  6. Step 6: Final answer
    x = 210,522.64

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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.