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Finding the Fourth Proportional to 79,527.18, 109,747.74 and 45,536.20

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Solution

The fourth proportional to 79,527.18, 109,747.74 and 45,536.20 is: 62,840.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,527.18 : 109,747.74 = 45,536.20 : x
  2. Step 2: Convert to fraction form
    79,527.18/109,747.74 = 45,536.20/x
  3. Step 3: Cross multiply
    79,527.18x = 109,747.74 × 45,536.20
  4. Step 4: Simplify right side
    79,527.18x = 4,997,495,038.19
  5. Step 5: Solve for x
    x = 4,997,495,038.19/79,527.18
  6. Step 6: Final answer
    x = 62,840.09

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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.