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Finding the Fourth Proportional to 155,583, 233,409.06 and 57,087

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Solution

The fourth proportional to 155,583, 233,409.06 and 57,087 is: 85,643.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,583 : 233,409.06 = 57,087 : x
  2. Step 2: Convert to fraction form
    155,583/233,409.06 = 57,087/x
  3. Step 3: Cross multiply
    155,583x = 233,409.06 × 57,087
  4. Step 4: Simplify right side
    155,583x = 13,324,623,008.22
  5. Step 5: Solve for x
    x = 13,324,623,008.22/155,583
  6. Step 6: Final answer
    x = 85,643.18

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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.