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Finding the Fourth Proportional to 134,665.70, 201,998.55 and 59,785.70

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Solution

The fourth proportional to 134,665.70, 201,998.55 and 59,785.70 is: 89,678.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,665.70 : 201,998.55 = 59,785.70 : x
  2. Step 2: Convert to fraction form
    134,665.70/201,998.55 = 59,785.70/x
  3. Step 3: Cross multiply
    134,665.70x = 201,998.55 × 59,785.70
  4. Step 4: Simplify right side
    134,665.70x = 12,076,624,710.74
  5. Step 5: Solve for x
    x = 12,076,624,710.74/134,665.70
  6. Step 6: Final answer
    x = 89,678.55

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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.