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Finding the Fourth Proportional to 86,068.67, 118,797.32 and 48,355.07

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Solution

The fourth proportional to 86,068.67, 118,797.32 and 48,355.07 is: 66,742.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,068.67 : 118,797.32 = 48,355.07 : x
  2. Step 2: Convert to fraction form
    86,068.67/118,797.32 = 48,355.07/x
  3. Step 3: Cross multiply
    86,068.67x = 118,797.32 × 48,355.07
  4. Step 4: Simplify right side
    86,068.67x = 5,744,452,482.64
  5. Step 5: Solve for x
    x = 5,744,452,482.64/86,068.67
  6. Step 6: Final answer
    x = 66,742.67

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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.