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Finding the Fourth Proportional to 66,805,851.60, 100,208,777.40 and 58,727,948.40

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Solution

The fourth proportional to 66,805,851.60, 100,208,777.40 and 58,727,948.40 is: 88,091,922.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,805,851.60 : 100,208,777.40 = 58,727,948.40 : x
  2. Step 2: Convert to fraction form
    66,805,851.60/100,208,777.40 = 58,727,948.40/x
  3. Step 3: Cross multiply
    66,805,851.60x = 100,208,777.40 × 58,727,948.40
  4. Step 4: Simplify right side
    66,805,851.60x = 5,885,055,908,374,286
  5. Step 5: Solve for x
    x = 5,885,055,908,374,286/66,805,851.60
  6. Step 6: Final answer
    x = 88,091,922.60

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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.