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Finding the Fourth Proportional to 249,701.40, 374,552.10 and 100,013.40

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Solution

The fourth proportional to 249,701.40, 374,552.10 and 100,013.40 is: 150,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,701.40 : 374,552.10 = 100,013.40 : x
  2. Step 2: Convert to fraction form
    249,701.40/374,552.10 = 100,013.40/x
  3. Step 3: Cross multiply
    249,701.40x = 374,552.10 × 100,013.40
  4. Step 4: Simplify right side
    249,701.40x = 37,460,228,998.14
  5. Step 5: Solve for x
    x = 37,460,228,998.14/249,701.40
  6. Step 6: Final answer
    x = 150,020.10

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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.