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Finding the Fourth Proportional to 245,053.60, 367,580.40 and 120,637.60

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Solution

The fourth proportional to 245,053.60, 367,580.40 and 120,637.60 is: 180,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,053.60 : 367,580.40 = 120,637.60 : x
  2. Step 2: Convert to fraction form
    245,053.60/367,580.40 = 120,637.60/x
  3. Step 3: Cross multiply
    245,053.60x = 367,580.40 × 120,637.60
  4. Step 4: Simplify right side
    245,053.60x = 44,344,017,263.04
  5. Step 5: Solve for x
    x = 44,344,017,263.04/245,053.60
  6. Step 6: Final answer
    x = 180,956.40

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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.