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Finding the Fourth Proportional to 160,435.99, 221,332.15 and 96,738.40

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Solution

The fourth proportional to 160,435.99, 221,332.15 and 96,738.40 is: 133,457.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,435.99 : 221,332.15 = 96,738.40 : x
  2. Step 2: Convert to fraction form
    160,435.99/221,332.15 = 96,738.40/x
  3. Step 3: Cross multiply
    160,435.99x = 221,332.15 × 96,738.40
  4. Step 4: Simplify right side
    160,435.99x = 21,411,318,059.56
  5. Step 5: Solve for x
    x = 21,411,318,059.56/160,435.99
  6. Step 6: Final answer
    x = 133,457.08

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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.