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Finding the Fourth Proportional to 112,098.90, 157,055.10 and 112,098.90

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Solution

The fourth proportional to 112,098.90, 157,055.10 and 112,098.90 is: 157,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,098.90 : 157,055.10 = 112,098.90 : x
  2. Step 2: Convert to fraction form
    112,098.90/157,055.10 = 112,098.90/x
  3. Step 3: Cross multiply
    112,098.90x = 157,055.10 × 112,098.90
  4. Step 4: Simplify right side
    112,098.90x = 17,605,703,949.39
  5. Step 5: Solve for x
    x = 17,605,703,949.39/112,098.90
  6. Step 6: Final answer
    x = 157,055.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.