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Finding the Fourth Proportional to 151,349.36, 208,867.64 and 94,020.32

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Solution

The fourth proportional to 151,349.36, 208,867.64 and 94,020.32 is: 129,751.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,349.36 : 208,867.64 = 94,020.32 : x
  2. Step 2: Convert to fraction form
    151,349.36/208,867.64 = 94,020.32/x
  3. Step 3: Cross multiply
    151,349.36x = 208,867.64 × 94,020.32
  4. Step 4: Simplify right side
    151,349.36x = 19,637,802,402.51
  5. Step 5: Solve for x
    x = 19,637,802,402.51/151,349.36
  6. Step 6: Final answer
    x = 129,751.48

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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.