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Finding the Fourth Proportional to 66,814,203.60, 100,221,305.40 and 58,736,300.40

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Solution

The fourth proportional to 66,814,203.60, 100,221,305.40 and 58,736,300.40 is: 88,104,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,814,203.60 : 100,221,305.40 = 58,736,300.40 : x
  2. Step 2: Convert to fraction form
    66,814,203.60/100,221,305.40 = 58,736,300.40/x
  3. Step 3: Cross multiply
    66,814,203.60x = 100,221,305.40 × 58,736,300.40
  4. Step 4: Simplify right side
    66,814,203.60x = 5,886,628,700,454,542
  5. Step 5: Solve for x
    x = 5,886,628,700,454,542/66,814,203.60
  6. Step 6: Final answer
    x = 88,104,450.60

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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.