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Finding the Fourth Proportional to 134,547.52, 201,828.64 and 54,573.61

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Solution

The fourth proportional to 134,547.52, 201,828.64 and 54,573.61 is: 81,863.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,547.52 : 201,828.64 = 54,573.61 : x
  2. Step 2: Convert to fraction form
    134,547.52/201,828.64 = 54,573.61/x
  3. Step 3: Cross multiply
    134,547.52x = 201,828.64 × 54,573.61
  4. Step 4: Simplify right side
    134,547.52x = 11,014,517,486.19
  5. Step 5: Solve for x
    x = 11,014,517,486.19/134,547.52
  6. Step 6: Final answer
    x = 81,863.40

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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.