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Finding the Fourth Proportional to 532,078.40, 798,117.60 and 158,101.40

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Solution

The fourth proportional to 532,078.40, 798,117.60 and 158,101.40 is: 237,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,078.40 : 798,117.60 = 158,101.40 : x
  2. Step 2: Convert to fraction form
    532,078.40/798,117.60 = 158,101.40/x
  3. Step 3: Cross multiply
    532,078.40x = 798,117.60 × 158,101.40
  4. Step 4: Simplify right side
    532,078.40x = 126,183,509,924.64
  5. Step 5: Solve for x
    x = 126,183,509,924.64/532,078.40
  6. Step 6: Final answer
    x = 237,152.10

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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.