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Finding the Fourth Proportional to 152,153.54, 209,901.14 and 98,455.91

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Solution

The fourth proportional to 152,153.54, 209,901.14 and 98,455.91 is: 135,823.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,153.54 : 209,901.14 = 98,455.91 : x
  2. Step 2: Convert to fraction form
    152,153.54/209,901.14 = 98,455.91/x
  3. Step 3: Cross multiply
    152,153.54x = 209,901.14 × 98,455.91
  4. Step 4: Simplify right side
    152,153.54x = 20,666,007,256.46
  5. Step 5: Solve for x
    x = 20,666,007,256.46/152,153.54
  6. Step 6: Final answer
    x = 135,823.37

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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.