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Finding the Fourth Proportional to 141,026.40, 211,539.60 and 134,465.40

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Solution

The fourth proportional to 141,026.40, 211,539.60 and 134,465.40 is: 201,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,026.40 : 211,539.60 = 134,465.40 : x
  2. Step 2: Convert to fraction form
    141,026.40/211,539.60 = 134,465.40/x
  3. Step 3: Cross multiply
    141,026.40x = 211,539.60 × 134,465.40
  4. Step 4: Simplify right side
    141,026.40x = 28,444,756,929.84
  5. Step 5: Solve for x
    x = 28,444,756,929.84/141,026.40
  6. Step 6: Final answer
    x = 201,698.10

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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.