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Finding the Fourth Proportional to 176,686.48, 265,025.58 and 56,743.20

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Solution

The fourth proportional to 176,686.48, 265,025.58 and 56,743.20 is: 85,113.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,686.48 : 265,025.58 = 56,743.20 : x
  2. Step 2: Convert to fraction form
    176,686.48/265,025.58 = 56,743.20/x
  3. Step 3: Cross multiply
    176,686.48x = 265,025.58 × 56,743.20
  4. Step 4: Simplify right side
    176,686.48x = 15,038,399,491.06
  5. Step 5: Solve for x
    x = 15,038,399,491.06/176,686.48
  6. Step 6: Final answer
    x = 85,113.47

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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.