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Finding the Fourth Proportional to 80,547.33, 111,155.32 and 44,740.67

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Solution

The fourth proportional to 80,547.33, 111,155.32 and 44,740.67 is: 61,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,547.33 : 111,155.32 = 44,740.67 : x
  2. Step 2: Convert to fraction form
    80,547.33/111,155.32 = 44,740.67/x
  3. Step 3: Cross multiply
    80,547.33x = 111,155.32 × 44,740.67
  4. Step 4: Simplify right side
    80,547.33x = 4,973,163,616.26
  5. Step 5: Solve for x
    x = 4,973,163,616.26/80,547.33
  6. Step 6: Final answer
    x = 61,742.13

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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.