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Finding the Fourth Proportional to 183,539.40, 253,373.52 and 123,088.08

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Solution

The fourth proportional to 183,539.40, 253,373.52 and 123,088.08 is: 169,921.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,539.40 : 253,373.52 = 123,088.08 : x
  2. Step 2: Convert to fraction form
    183,539.40/253,373.52 = 123,088.08/x
  3. Step 3: Cross multiply
    183,539.40x = 253,373.52 × 123,088.08
  4. Step 4: Simplify right side
    183,539.40x = 31,187,260,099.64
  5. Step 5: Solve for x
    x = 31,187,260,099.64/183,539.40
  6. Step 6: Final answer
    x = 169,921.34

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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.