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Finding the Fourth Proportional to 108,802.99, 150,163.05 and 61,059.16

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Solution

The fourth proportional to 108,802.99, 150,163.05 and 61,059.16 is: 84,270.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,802.99 : 150,163.05 = 61,059.16 : x
  2. Step 2: Convert to fraction form
    108,802.99/150,163.05 = 61,059.16/x
  3. Step 3: Cross multiply
    108,802.99x = 150,163.05 × 61,059.16
  4. Step 4: Simplify right side
    108,802.99x = 9,168,829,696.04
  5. Step 5: Solve for x
    x = 9,168,829,696.04/108,802.99
  6. Step 6: Final answer
    x = 84,270.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.