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Finding the Fourth Proportional to 169,700.13, 234,133.50 and 98,054.01

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Solution

The fourth proportional to 169,700.13, 234,133.50 and 98,054.01 is: 135,284.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,700.13 : 234,133.50 = 98,054.01 : x
  2. Step 2: Convert to fraction form
    169,700.13/234,133.50 = 98,054.01/x
  3. Step 3: Cross multiply
    169,700.13x = 234,133.50 × 98,054.01
  4. Step 4: Simplify right side
    169,700.13x = 22,957,728,550.34
  5. Step 5: Solve for x
    x = 22,957,728,550.34/169,700.13
  6. Step 6: Final answer
    x = 135,284.10

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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.