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Finding the Fourth Proportional to 176,565.12, 264,585.12 and 139,216.32

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Solution

The fourth proportional to 176,565.12, 264,585.12 and 139,216.32 is: 208,617.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,565.12 : 264,585.12 = 139,216.32 : x
  2. Step 2: Convert to fraction form
    176,565.12/264,585.12 = 139,216.32/x
  3. Step 3: Cross multiply
    176,565.12x = 264,585.12 × 139,216.32
  4. Step 4: Simplify right side
    176,565.12x = 36,834,566,733.16
  5. Step 5: Solve for x
    x = 36,834,566,733.16/176,565.12
  6. Step 6: Final answer
    x = 208,617.46

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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.