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Finding the Fourth Proportional to 118,413.68, 177,622.48 and 39,528.32

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Solution

The fourth proportional to 118,413.68, 177,622.48 and 39,528.32 is: 59,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,413.68 : 177,622.48 = 39,528.32 : x
  2. Step 2: Convert to fraction form
    118,413.68/177,622.48 = 39,528.32/x
  3. Step 3: Cross multiply
    118,413.68x = 177,622.48 × 39,528.32
  4. Step 4: Simplify right side
    118,413.68x = 7,021,118,228.63
  5. Step 5: Solve for x
    x = 7,021,118,228.63/118,413.68
  6. Step 6: Final answer
    x = 59,293.13

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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.