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Finding the Fourth Proportional to 118,570.92, 163,627.62 and 70,852.20

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Solution

The fourth proportional to 118,570.92, 163,627.62 and 70,852.20 is: 97,775.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,570.92 : 163,627.62 = 70,852.20 : x
  2. Step 2: Convert to fraction form
    118,570.92/163,627.62 = 70,852.20/x
  3. Step 3: Cross multiply
    118,570.92x = 163,627.62 × 70,852.20
  4. Step 4: Simplify right side
    118,570.92x = 11,593,376,857.76
  5. Step 5: Solve for x
    x = 11,593,376,857.76/118,570.92
  6. Step 6: Final answer
    x = 97,775.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.