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Finding the Fourth Proportional to 85,536.96, 118,038.93 and 47,295.51

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Solution

The fourth proportional to 85,536.96, 118,038.93 and 47,295.51 is: 65,266.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536.96 : 118,038.93 = 47,295.51 : x
  2. Step 2: Convert to fraction form
    85,536.96/118,038.93 = 47,295.51/x
  3. Step 3: Cross multiply
    85,536.96x = 118,038.93 × 47,295.51
  4. Step 4: Simplify right side
    85,536.96x = 5,582,711,394.20
  5. Step 5: Solve for x
    x = 5,582,711,394.20/85,536.96
  6. Step 6: Final answer
    x = 65,266.66

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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.