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Finding the Fourth Proportional to 118,364.22, 177,547.01 and 39,478.22

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Solution

The fourth proportional to 118,364.22, 177,547.01 and 39,478.22 is: 59,217.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,364.22 : 177,547.01 = 39,478.22 : x
  2. Step 2: Convert to fraction form
    118,364.22/177,547.01 = 39,478.22/x
  3. Step 3: Cross multiply
    118,364.22x = 177,547.01 × 39,478.22
  4. Step 4: Simplify right side
    118,364.22x = 7,009,238,836.00
  5. Step 5: Solve for x
    x = 7,009,238,836.00/118,364.22
  6. Step 6: Final answer
    x = 59,217.55

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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.