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Finding the Fourth Proportional to 109,653.60, 164,480.40 and 26,547.60

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Solution

The fourth proportional to 109,653.60, 164,480.40 and 26,547.60 is: 39,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,653.60 : 164,480.40 = 26,547.60 : x
  2. Step 2: Convert to fraction form
    109,653.60/164,480.40 = 26,547.60/x
  3. Step 3: Cross multiply
    109,653.60x = 164,480.40 × 26,547.60
  4. Step 4: Simplify right side
    109,653.60x = 4,366,559,867.04
  5. Step 5: Solve for x
    x = 4,366,559,867.04/109,653.60
  6. Step 6: Final answer
    x = 39,821.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.