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Finding the Fourth Proportional to 117,509.04, 162,164.16 and 63,794.16

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Solution

The fourth proportional to 117,509.04, 162,164.16 and 63,794.16 is: 88,036.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,509.04 : 162,164.16 = 63,794.16 : x
  2. Step 2: Convert to fraction form
    117,509.04/162,164.16 = 63,794.16/x
  3. Step 3: Cross multiply
    117,509.04x = 162,164.16 × 63,794.16
  4. Step 4: Simplify right side
    117,509.04x = 10,345,126,369.31
  5. Step 5: Solve for x
    x = 10,345,126,369.31/117,509.04
  6. Step 6: Final answer
    x = 88,036.86

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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.