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Finding the Fourth Proportional to 112,494.30, 168,547.05 and 94,998.30

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Solution

The fourth proportional to 112,494.30, 168,547.05 and 94,998.30 is: 142,333.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,494.30 : 168,547.05 = 94,998.30 : x
  2. Step 2: Convert to fraction form
    112,494.30/168,547.05 = 94,998.30/x
  3. Step 3: Cross multiply
    112,494.30x = 168,547.05 × 94,998.30
  4. Step 4: Simplify right side
    112,494.30x = 16,011,683,220.02
  5. Step 5: Solve for x
    x = 16,011,683,220.02/112,494.30
  6. Step 6: Final answer
    x = 142,333.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.