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Finding the Fourth Proportional to 118,482.99, 163,506.51 and 64,768.23

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Solution

The fourth proportional to 118,482.99, 163,506.51 and 64,768.23 is: 89,380.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,482.99 : 163,506.51 = 64,768.23 : x
  2. Step 2: Convert to fraction form
    118,482.99/163,506.51 = 64,768.23/x
  3. Step 3: Cross multiply
    118,482.99x = 163,506.51 × 64,768.23
  4. Step 4: Simplify right side
    118,482.99x = 10,590,027,246.18
  5. Step 5: Solve for x
    x = 10,590,027,246.18/118,482.99
  6. Step 6: Final answer
    x = 89,380.15

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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.