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Finding the Fourth Proportional to 84,547.70, 116,672.70 and 48,739.22

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Solution

The fourth proportional to 84,547.70, 116,672.70 and 48,739.22 is: 67,258.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,547.70 : 116,672.70 = 48,739.22 : x
  2. Step 2: Convert to fraction form
    84,547.70/116,672.70 = 48,739.22/x
  3. Step 3: Cross multiply
    84,547.70x = 116,672.70 × 48,739.22
  4. Step 4: Simplify right side
    84,547.70x = 5,686,536,393.29
  5. Step 5: Solve for x
    x = 5,686,536,393.29/84,547.70
  6. Step 6: Final answer
    x = 67,258.32

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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.