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Finding the Fourth Proportional to 191,002.40, 286,809.60 and 151,884.80

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Solution

The fourth proportional to 191,002.40, 286,809.60 and 151,884.80 is: 228,070.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,002.40 : 286,809.60 = 151,884.80 : x
  2. Step 2: Convert to fraction form
    191,002.40/286,809.60 = 151,884.80/x
  3. Step 3: Cross multiply
    191,002.40x = 286,809.60 × 151,884.80
  4. Step 4: Simplify right side
    191,002.40x = 43,562,018,734.08
  5. Step 5: Solve for x
    x = 43,562,018,734.08/191,002.40
  6. Step 6: Final answer
    x = 228,070.53

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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.