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Finding the Fourth Proportional to 245,894.90, 367,967.55 and 170,662.10

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Solution

The fourth proportional to 245,894.90, 367,967.55 and 170,662.10 is: 255,386.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,894.90 : 367,967.55 = 170,662.10 : x
  2. Step 2: Convert to fraction form
    245,894.90/367,967.55 = 170,662.10/x
  3. Step 3: Cross multiply
    245,894.90x = 367,967.55 × 170,662.10
  4. Step 4: Simplify right side
    245,894.90x = 62,798,114,814.86
  5. Step 5: Solve for x
    x = 62,798,114,814.86/245,894.90
  6. Step 6: Final answer
    x = 255,386.00

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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.