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Finding the Fourth Proportional to 98,419.25, 147,628.88 and 24,547.25

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Solution

The fourth proportional to 98,419.25, 147,628.88 and 24,547.25 is: 36,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,419.25 : 147,628.88 = 24,547.25 : x
  2. Step 2: Convert to fraction form
    98,419.25/147,628.88 = 24,547.25/x
  3. Step 3: Cross multiply
    98,419.25x = 147,628.88 × 24,547.25
  4. Step 4: Simplify right side
    98,419.25x = 3,623,883,024.58
  5. Step 5: Solve for x
    x = 3,623,883,024.58/98,419.25
  6. Step 6: Final answer
    x = 36,820.88

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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.