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Finding the Fourth Proportional to 85,547.94, 118,056.45 and 47,822.19

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Solution

The fourth proportional to 85,547.94, 118,056.45 and 47,822.19 is: 65,994.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,547.94 : 118,056.45 = 47,822.19 : x
  2. Step 2: Convert to fraction form
    85,547.94/118,056.45 = 47,822.19/x
  3. Step 3: Cross multiply
    85,547.94x = 118,056.45 × 47,822.19
  4. Step 4: Simplify right side
    85,547.94x = 5,645,717,982.63
  5. Step 5: Solve for x
    x = 5,645,717,982.63/85,547.94
  6. Step 6: Final answer
    x = 65,994.79

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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.