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Finding the Fourth Proportional to 160,473.95, 221,461.65 and 96,810.38

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Solution

The fourth proportional to 160,473.95, 221,461.65 and 96,810.38 is: 133,602.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,473.95 : 221,461.65 = 96,810.38 : x
  2. Step 2: Convert to fraction form
    160,473.95/221,461.65 = 96,810.38/x
  3. Step 3: Cross multiply
    160,473.95x = 221,461.65 × 96,810.38
  4. Step 4: Simplify right side
    160,473.95x = 21,439,785,384.62
  5. Step 5: Solve for x
    x = 21,439,785,384.62/160,473.95
  6. Step 6: Final answer
    x = 133,602.91

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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.