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Finding the Fourth Proportional to 69,355,527.60, 104,033,291.40 and 65,103,999.60

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Solution

The fourth proportional to 69,355,527.60, 104,033,291.40 and 65,103,999.60 is: 97,655,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,355,527.60 : 104,033,291.40 = 65,103,999.60 : x
  2. Step 2: Convert to fraction form
    69,355,527.60/104,033,291.40 = 65,103,999.60/x
  3. Step 3: Cross multiply
    69,355,527.60x = 104,033,291.40 × 65,103,999.60
  4. Step 4: Simplify right side
    69,355,527.60x = 6,772,983,361,692,284
  5. Step 5: Solve for x
    x = 6,772,983,361,692,284/69,355,527.60
  6. Step 6: Final answer
    x = 97,655,999.40

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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.