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Finding the Fourth Proportional to 153,461.50, 211,787.51 and 93,034.69

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Solution

The fourth proportional to 153,461.50, 211,787.51 and 93,034.69 is: 128,394.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,461.50 : 211,787.51 = 93,034.69 : x
  2. Step 2: Convert to fraction form
    153,461.50/211,787.51 = 93,034.69/x
  3. Step 3: Cross multiply
    153,461.50x = 211,787.51 × 93,034.69
  4. Step 4: Simplify right side
    153,461.50x = 19,703,584,344.08
  5. Step 5: Solve for x
    x = 19,703,584,344.08/153,461.50
  6. Step 6: Final answer
    x = 128,394.32

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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.