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Finding the Fourth Proportional to 174,969.76, 262,582.14 and 69,818.80

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Solution

The fourth proportional to 174,969.76, 262,582.14 and 69,818.80 is: 104,779.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,969.76 : 262,582.14 = 69,818.80 : x
  2. Step 2: Convert to fraction form
    174,969.76/262,582.14 = 69,818.80/x
  3. Step 3: Cross multiply
    174,969.76x = 262,582.14 × 69,818.80
  4. Step 4: Simplify right side
    174,969.76x = 18,333,169,916.23
  5. Step 5: Solve for x
    x = 18,333,169,916.23/174,969.76
  6. Step 6: Final answer
    x = 104,779.08

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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.