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Finding the Fourth Proportional to 235,037.34, 352,510.92 and 66,516.98

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Solution

The fourth proportional to 235,037.34, 352,510.92 and 66,516.98 is: 99,762.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,037.34 : 352,510.92 = 66,516.98 : x
  2. Step 2: Convert to fraction form
    235,037.34/352,510.92 = 66,516.98/x
  3. Step 3: Cross multiply
    235,037.34x = 352,510.92 × 66,516.98
  4. Step 4: Simplify right side
    235,037.34x = 23,447,960,052.87
  5. Step 5: Solve for x
    x = 23,447,960,052.87/235,037.34
  6. Step 6: Final answer
    x = 99,762.70

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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.