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Finding the Fourth Proportional to 116,510.98, 160,783.62 and 65,523.70

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Solution

The fourth proportional to 116,510.98, 160,783.62 and 65,523.70 is: 90,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,510.98 : 160,783.62 = 65,523.70 : x
  2. Step 2: Convert to fraction form
    116,510.98/160,783.62 = 65,523.70/x
  3. Step 3: Cross multiply
    116,510.98x = 160,783.62 × 65,523.70
  4. Step 4: Simplify right side
    116,510.98x = 10,535,137,681.79
  5. Step 5: Solve for x
    x = 10,535,137,681.79/116,510.98
  6. Step 6: Final answer
    x = 90,421.84

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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.