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Finding the Fourth Proportional to 242,709.70, 364,006.23 and 124,320.10

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Solution

The fourth proportional to 242,709.70, 364,006.23 and 124,320.10 is: 186,450.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,709.70 : 364,006.23 = 124,320.10 : x
  2. Step 2: Convert to fraction form
    242,709.70/364,006.23 = 124,320.10/x
  3. Step 3: Cross multiply
    242,709.70x = 364,006.23 × 124,320.10
  4. Step 4: Simplify right side
    242,709.70x = 45,253,290,914.22
  5. Step 5: Solve for x
    x = 45,253,290,914.22/242,709.70
  6. Step 6: Final answer
    x = 186,450.28

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1.5x scale

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.