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Finding the Fourth Proportional to 177,068.80, 265,603.20 and 155,641.60

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Solution

The fourth proportional to 177,068.80, 265,603.20 and 155,641.60 is: 233,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,068.80 : 265,603.20 = 155,641.60 : x
  2. Step 2: Convert to fraction form
    177,068.80/265,603.20 = 155,641.60/x
  3. Step 3: Cross multiply
    177,068.80x = 265,603.20 × 155,641.60
  4. Step 4: Simplify right side
    177,068.80x = 41,338,907,013.12
  5. Step 5: Solve for x
    x = 41,338,907,013.12/177,068.80
  6. Step 6: Final answer
    x = 233,462.40

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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.