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Finding the Fourth Proportional to 91,663.01, 137,495.12 and 35,509.35

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Solution

The fourth proportional to 91,663.01, 137,495.12 and 35,509.35 is: 53,264.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,663.01 : 137,495.12 = 35,509.35 : x
  2. Step 2: Convert to fraction form
    91,663.01/137,495.12 = 35,509.35/x
  3. Step 3: Cross multiply
    91,663.01x = 137,495.12 × 35,509.35
  4. Step 4: Simplify right side
    91,663.01x = 4,882,362,161.83
  5. Step 5: Solve for x
    x = 4,882,362,161.83/91,663.01
  6. Step 6: Final answer
    x = 53,264.26

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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.