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Finding the Fourth Proportional to 141,050.79, 194,483.40 and 115,462.89

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Solution

The fourth proportional to 141,050.79, 194,483.40 and 115,462.89 is: 159,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,050.79 : 194,483.40 = 115,462.89 : x
  2. Step 2: Convert to fraction form
    141,050.79/194,483.40 = 115,462.89/x
  3. Step 3: Cross multiply
    141,050.79x = 194,483.40 × 115,462.89
  4. Step 4: Simplify right side
    141,050.79x = 22,455,615,421.03
  5. Step 5: Solve for x
    x = 22,455,615,421.03/141,050.79
  6. Step 6: Final answer
    x = 159,202.34

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1.5x scale

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.