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Finding the Fourth Proportional to 153,116.70, 211,497.27 and 117,740.70

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Solution

The fourth proportional to 153,116.70, 211,497.27 and 117,740.70 is: 162,633.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,116.70 : 211,497.27 = 117,740.70 : x
  2. Step 2: Convert to fraction form
    153,116.70/211,497.27 = 117,740.70/x
  3. Step 3: Cross multiply
    153,116.70x = 211,497.27 × 117,740.70
  4. Step 4: Simplify right side
    153,116.70x = 24,901,836,617.89
  5. Step 5: Solve for x
    x = 24,901,836,617.89/153,116.70
  6. Step 6: Final answer
    x = 162,633.05

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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.