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Finding the Fourth Proportional to 117,554.10, 162,224.16 and 63,838.68

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Solution

The fourth proportional to 117,554.10, 162,224.16 and 63,838.68 is: 88,097.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,554.10 : 162,224.16 = 63,838.68 : x
  2. Step 2: Convert to fraction form
    117,554.10/162,224.16 = 63,838.68/x
  3. Step 3: Cross multiply
    117,554.10x = 162,224.16 × 63,838.68
  4. Step 4: Simplify right side
    117,554.10x = 10,356,176,238.51
  5. Step 5: Solve for x
    x = 10,356,176,238.51/117,554.10
  6. Step 6: Final answer
    x = 88,097.11

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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.