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Finding the Fourth Proportional to 72,341.67, 109,005.42 and 59,482.11

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Solution

The fourth proportional to 72,341.67, 109,005.42 and 59,482.11 is: 89,628.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,341.67 : 109,005.42 = 59,482.11 : x
  2. Step 2: Convert to fraction form
    72,341.67/109,005.42 = 59,482.11/x
  3. Step 3: Cross multiply
    72,341.67x = 109,005.42 × 59,482.11
  4. Step 4: Simplify right side
    72,341.67x = 6,483,872,383.04
  5. Step 5: Solve for x
    x = 6,483,872,383.04/72,341.67
  6. Step 6: Final answer
    x = 89,628.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.