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Finding the Fourth Proportional to 105,365.66, 158,048.62 and 43,036.16

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Solution

The fourth proportional to 105,365.66, 158,048.62 and 43,036.16 is: 64,554.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,365.66 : 158,048.62 = 43,036.16 : x
  2. Step 2: Convert to fraction form
    105,365.66/158,048.62 = 43,036.16/x
  3. Step 3: Cross multiply
    105,365.66x = 158,048.62 × 43,036.16
  4. Step 4: Simplify right side
    105,365.66x = 6,801,805,698.10
  5. Step 5: Solve for x
    x = 6,801,805,698.10/105,365.66
  6. Step 6: Final answer
    x = 64,554.29

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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.