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Finding the Fourth Proportional to 169,699.50, 254,602.44 and 69,906.72

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Solution

The fourth proportional to 169,699.50, 254,602.44 and 69,906.72 is: 104,881.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,699.50 : 254,602.44 = 69,906.72 : x
  2. Step 2: Convert to fraction form
    169,699.50/254,602.44 = 69,906.72/x
  3. Step 3: Cross multiply
    169,699.50x = 254,602.44 × 69,906.72
  4. Step 4: Simplify right side
    169,699.50x = 17,798,421,484.40
  5. Step 5: Solve for x
    x = 17,798,421,484.40/169,699.50
  6. Step 6: Final answer
    x = 104,881.99

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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.