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Finding the Fourth Proportional to 295,071.60, 442,607.40 and 98,079.60

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Solution

The fourth proportional to 295,071.60, 442,607.40 and 98,079.60 is: 147,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,071.60 : 442,607.40 = 98,079.60 : x
  2. Step 2: Convert to fraction form
    295,071.60/442,607.40 = 98,079.60/x
  3. Step 3: Cross multiply
    295,071.60x = 442,607.40 × 98,079.60
  4. Step 4: Simplify right side
    295,071.60x = 43,410,756,749.04
  5. Step 5: Solve for x
    x = 43,410,756,749.04/295,071.60
  6. Step 6: Final answer
    x = 147,119.40

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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.