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Finding the Fourth Proportional to 174,868.80, 262,130.40 and 69,547.20

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Solution

The fourth proportional to 174,868.80, 262,130.40 and 69,547.20 is: 104,252.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,868.80 : 262,130.40 = 69,547.20 : x
  2. Step 2: Convert to fraction form
    174,868.80/262,130.40 = 69,547.20/x
  3. Step 3: Cross multiply
    174,868.80x = 262,130.40 × 69,547.20
  4. Step 4: Simplify right side
    174,868.80x = 18,230,435,354.88
  5. Step 5: Solve for x
    x = 18,230,435,354.88/174,868.80
  6. Step 6: Final answer
    x = 104,252.08

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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.