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Finding the Fourth Proportional to 175,588.84, 242,316.30 and 103,942.72

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Solution

The fourth proportional to 175,588.84, 242,316.30 and 103,942.72 is: 143,443.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,588.84 : 242,316.30 = 103,942.72 : x
  2. Step 2: Convert to fraction form
    175,588.84/242,316.30 = 103,942.72/x
  3. Step 3: Cross multiply
    175,588.84x = 242,316.30 × 103,942.72
  4. Step 4: Simplify right side
    175,588.84x = 25,187,015,322.34
  5. Step 5: Solve for x
    x = 25,187,015,322.34/175,588.84
  6. Step 6: Final answer
    x = 143,443.14

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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.