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Finding the Fourth Proportional to 89,172.45, 133,802.51 and 35,862.30

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Solution

The fourth proportional to 89,172.45, 133,802.51 and 35,862.30 is: 53,811.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,172.45 : 133,802.51 = 35,862.30 : x
  2. Step 2: Convert to fraction form
    89,172.45/133,802.51 = 35,862.30/x
  3. Step 3: Cross multiply
    89,172.45x = 133,802.51 × 35,862.30
  4. Step 4: Simplify right side
    89,172.45x = 4,798,465,575.06
  5. Step 5: Solve for x
    x = 4,798,465,575.06/89,172.45
  6. Step 6: Final answer
    x = 53,811.08

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1.5x scale

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.