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Finding the Fourth Proportional to 235,303.56, 352,999.08 and 77,538.24

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Solution

The fourth proportional to 235,303.56, 352,999.08 and 77,538.24 is: 116,321.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,303.56 : 352,999.08 = 77,538.24 : x
  2. Step 2: Convert to fraction form
    235,303.56/352,999.08 = 77,538.24/x
  3. Step 3: Cross multiply
    235,303.56x = 352,999.08 × 77,538.24
  4. Step 4: Simplify right side
    235,303.56x = 27,370,927,384.82
  5. Step 5: Solve for x
    x = 27,370,927,384.82/235,303.56
  6. Step 6: Final answer
    x = 116,321.77

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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.