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Finding the Fourth Proportional to 257,308.30, 354,875.73 and 181,079.96

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Solution

The fourth proportional to 257,308.30, 354,875.73 and 181,079.96 is: 249,742.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,308.30 : 354,875.73 = 181,079.96 : x
  2. Step 2: Convert to fraction form
    257,308.30/354,875.73 = 181,079.96/x
  3. Step 3: Cross multiply
    257,308.30x = 354,875.73 × 181,079.96
  4. Step 4: Simplify right side
    257,308.30x = 64,260,881,538.03
  5. Step 5: Solve for x
    x = 64,260,881,538.03/257,308.30
  6. Step 6: Final answer
    x = 249,742.75

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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.