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Finding the Fourth Proportional to 66,814,455.60, 100,221,683.40 and 58,736,552.40

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Solution

The fourth proportional to 66,814,455.60, 100,221,683.40 and 58,736,552.40 is: 88,104,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,814,455.60 : 100,221,683.40 = 58,736,552.40 : x
  2. Step 2: Convert to fraction form
    66,814,455.60/100,221,683.40 = 58,736,552.40/x
  3. Step 3: Cross multiply
    66,814,455.60x = 100,221,683.40 × 58,736,552.40
  4. Step 4: Simplify right side
    66,814,455.60x = 5,886,676,158,640,310
  5. Step 5: Solve for x
    x = 5,886,676,158,640,310/66,814,455.60
  6. Step 6: Final answer
    x = 88,104,828.60

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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.