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Finding the Fourth Proportional to 161,703.20, 242,554.80 and 154,877.60

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Solution

The fourth proportional to 161,703.20, 242,554.80 and 154,877.60 is: 232,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,703.20 : 242,554.80 = 154,877.60 : x
  2. Step 2: Convert to fraction form
    161,703.20/242,554.80 = 154,877.60/x
  3. Step 3: Cross multiply
    161,703.20x = 242,554.80 × 154,877.60
  4. Step 4: Simplify right side
    161,703.20x = 37,566,305,292.48
  5. Step 5: Solve for x
    x = 37,566,305,292.48/161,703.20
  6. Step 6: Final answer
    x = 232,316.40

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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.