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Finding the Fourth Proportional to 124,567.71, 171,903.48 and 76,848.81

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Solution

The fourth proportional to 124,567.71, 171,903.48 and 76,848.81 is: 106,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,567.71 : 171,903.48 = 76,848.81 : x
  2. Step 2: Convert to fraction form
    124,567.71/171,903.48 = 76,848.81/x
  3. Step 3: Cross multiply
    124,567.71x = 171,903.48 × 76,848.81
  4. Step 4: Simplify right side
    124,567.71x = 13,210,577,872.86
  5. Step 5: Solve for x
    x = 13,210,577,872.86/124,567.71
  6. Step 6: Final answer
    x = 106,051.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.