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Finding the Fourth Proportional to 199,398.09, 299,127.01 and 64,417.06

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Solution

The fourth proportional to 199,398.09, 299,127.01 and 64,417.06 is: 96,635.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,398.09 : 299,127.01 = 64,417.06 : x
  2. Step 2: Convert to fraction form
    199,398.09/299,127.01 = 64,417.06/x
  3. Step 3: Cross multiply
    199,398.09x = 299,127.01 × 64,417.06
  4. Step 4: Simplify right side
    199,398.09x = 19,268,882,550.79
  5. Step 5: Solve for x
    x = 19,268,882,550.79/199,398.09
  6. Step 6: Final answer
    x = 96,635.24

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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.