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Finding the Fourth Proportional to 236,884, 355,248.96 and 79,070.08

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Solution

The fourth proportional to 236,884, 355,248.96 and 79,070.08 is: 118,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,884 : 355,248.96 = 79,070.08 : x
  2. Step 2: Convert to fraction form
    236,884/355,248.96 = 79,070.08/x
  3. Step 3: Cross multiply
    236,884x = 355,248.96 × 79,070.08
  4. Step 4: Simplify right side
    236,884x = 28,089,563,687.12
  5. Step 5: Solve for x
    x = 28,089,563,687.12/236,884
  6. Step 6: Final answer
    x = 118,579.40

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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.