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Finding the Fourth Proportional to 85,690.50, 118,248.54 and 46,927.32

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Solution

The fourth proportional to 85,690.50, 118,248.54 and 46,927.32 is: 64,757.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,690.50 : 118,248.54 = 46,927.32 : x
  2. Step 2: Convert to fraction form
    85,690.50/118,248.54 = 46,927.32/x
  3. Step 3: Cross multiply
    85,690.50x = 118,248.54 × 46,927.32
  4. Step 4: Simplify right side
    85,690.50x = 5,549,087,076.11
  5. Step 5: Solve for x
    x = 5,549,087,076.11/85,690.50
  6. Step 6: Final answer
    x = 64,757.32

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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.