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Finding the Fourth Proportional to 64,516,509.60, 96,774,764.40 and 48,591,261.60

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Solution

The fourth proportional to 64,516,509.60, 96,774,764.40 and 48,591,261.60 is: 72,886,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,516,509.60 : 96,774,764.40 = 48,591,261.60 : x
  2. Step 2: Convert to fraction form
    64,516,509.60/96,774,764.40 = 48,591,261.60/x
  3. Step 3: Cross multiply
    64,516,509.60x = 96,774,764.40 × 48,591,261.60
  4. Step 4: Simplify right side
    64,516,509.60x = 4,702,407,893,238,767
  5. Step 5: Solve for x
    x = 4,702,407,893,238,767/64,516,509.60
  6. Step 6: Final answer
    x = 72,886,892.40

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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.