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Finding the Fourth Proportional to 118,332.66, 163,300.41 and 64,618.32

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Solution

The fourth proportional to 118,332.66, 163,300.41 and 64,618.32 is: 89,174.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,332.66 : 163,300.41 = 64,618.32 : x
  2. Step 2: Convert to fraction form
    118,332.66/163,300.41 = 64,618.32/x
  3. Step 3: Cross multiply
    118,332.66x = 163,300.41 × 64,618.32
  4. Step 4: Simplify right side
    118,332.66x = 10,552,198,149.51
  5. Step 5: Solve for x
    x = 10,552,198,149.51/118,332.66
  6. Step 6: Final answer
    x = 89,174.01

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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.