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Finding the Fourth Proportional to 242,005.05, 363,007.58 and 137,029.05

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Solution

The fourth proportional to 242,005.05, 363,007.58 and 137,029.05 is: 205,543.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,005.05 : 363,007.58 = 137,029.05 : x
  2. Step 2: Convert to fraction form
    242,005.05/363,007.58 = 137,029.05/x
  3. Step 3: Cross multiply
    242,005.05x = 363,007.58 × 137,029.05
  4. Step 4: Simplify right side
    242,005.05x = 49,742,583,145.05
  5. Step 5: Solve for x
    x = 49,742,583,145.05/242,005.05
  6. Step 6: Final answer
    x = 205,543.58

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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.