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Finding the Fourth Proportional to 155,553.40, 232,746.90 and 103,065.40

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Solution

The fourth proportional to 155,553.40, 232,746.90 and 103,065.40 is: 154,211.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,553.40 : 232,746.90 = 103,065.40 : x
  2. Step 2: Convert to fraction form
    155,553.40/232,746.90 = 103,065.40/x
  3. Step 3: Cross multiply
    155,553.40x = 232,746.90 × 103,065.40
  4. Step 4: Simplify right side
    155,553.40x = 23,988,152,347.26
  5. Step 5: Solve for x
    x = 23,988,152,347.26/155,553.40
  6. Step 6: Final answer
    x = 154,211.69

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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.