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Finding the Fourth Proportional to 114,653.52, 171,675.72 and 77,155.92

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Solution

The fourth proportional to 114,653.52, 171,675.72 and 77,155.92 is: 115,528.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,653.52 : 171,675.72 = 77,155.92 : x
  2. Step 2: Convert to fraction form
    114,653.52/171,675.72 = 77,155.92/x
  3. Step 3: Cross multiply
    114,653.52x = 171,675.72 × 77,155.92
  4. Step 4: Simplify right side
    114,653.52x = 13,245,798,118.26
  5. Step 5: Solve for x
    x = 13,245,798,118.26/114,653.52
  6. Step 6: Final answer
    x = 115,528.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.