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Finding the Fourth Proportional to 249,358.02, 344,101.14 and 141,927.72

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Solution

The fourth proportional to 249,358.02, 344,101.14 and 141,927.72 is: 195,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,358.02 : 344,101.14 = 141,927.72 : x
  2. Step 2: Convert to fraction form
    249,358.02/344,101.14 = 141,927.72/x
  3. Step 3: Cross multiply
    249,358.02x = 344,101.14 × 141,927.72
  4. Step 4: Simplify right side
    249,358.02x = 48,837,490,249.60
  5. Step 5: Solve for x
    x = 48,837,490,249.60/249,358.02
  6. Step 6: Final answer
    x = 195,852.90

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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.