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Finding the Fourth Proportional to 168,483.50, 232,505.80 and 93,030.38

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Solution

The fourth proportional to 168,483.50, 232,505.80 and 93,030.38 is: 128,381.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,483.50 : 232,505.80 = 93,030.38 : x
  2. Step 2: Convert to fraction form
    168,483.50/232,505.80 = 93,030.38/x
  3. Step 3: Cross multiply
    168,483.50x = 232,505.80 × 93,030.38
  4. Step 4: Simplify right side
    168,483.50x = 21,630,101,531.10
  5. Step 5: Solve for x
    x = 21,630,101,531.10/168,483.50
  6. Step 6: Final answer
    x = 128,381.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.