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Finding the Fourth Proportional to 47,089,681.60, 65,774,388.80 and 47,089,681.60

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Solution

The fourth proportional to 47,089,681.60, 65,774,388.80 and 47,089,681.60 is: 65,774,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,089,681.60 : 65,774,388.80 = 47,089,681.60 : x
  2. Step 2: Convert to fraction form
    47,089,681.60/65,774,388.80 = 47,089,681.60/x
  3. Step 3: Cross multiply
    47,089,681.60x = 65,774,388.80 × 47,089,681.60
  4. Step 4: Simplify right side
    47,089,681.60x = 3,097,295,026,026,606
  5. Step 5: Solve for x
    x = 3,097,295,026,026,606/47,089,681.60
  6. Step 6: Final answer
    x = 65,774,388.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.