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Finding the Fourth Proportional to 240,339.60, 360,509.40 and 134,051.40

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Solution

The fourth proportional to 240,339.60, 360,509.40 and 134,051.40 is: 201,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,339.60 : 360,509.40 = 134,051.40 : x
  2. Step 2: Convert to fraction form
    240,339.60/360,509.40 = 134,051.40/x
  3. Step 3: Cross multiply
    240,339.60x = 360,509.40 × 134,051.40
  4. Step 4: Simplify right side
    240,339.60x = 48,326,789,783.16
  5. Step 5: Solve for x
    x = 48,326,789,783.16/240,339.60
  6. Step 6: Final answer
    x = 201,077.10

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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.