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Finding the Fourth Proportional to 358,019.16, 537,029.94 and 121,529.10

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Solution

The fourth proportional to 358,019.16, 537,029.94 and 121,529.10 is: 182,294.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,019.16 : 537,029.94 = 121,529.10 : x
  2. Step 2: Convert to fraction form
    358,019.16/537,029.94 = 121,529.10/x
  3. Step 3: Cross multiply
    358,019.16x = 537,029.94 × 121,529.10
  4. Step 4: Simplify right side
    358,019.16x = 65,264,765,281.25
  5. Step 5: Solve for x
    x = 65,264,765,281.25/358,019.16
  6. Step 6: Final answer
    x = 182,294.06

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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.