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Finding the Fourth Proportional to 201,487,783.60, 301,727,790.60 and 161,176,999.60

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Solution

The fourth proportional to 201,487,783.60, 301,727,790.60 and 161,176,999.60 is: 241,362,424.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,487,783.60 : 301,727,790.60 = 161,176,999.60 : x
  2. Step 2: Convert to fraction form
    201,487,783.60/301,727,790.60 = 161,176,999.60/x
  3. Step 3: Cross multiply
    201,487,783.60x = 301,727,790.60 × 161,176,999.60
  4. Step 4: Simplify right side
    201,487,783.60x = 48,631,579,984,845,088
  5. Step 5: Solve for x
    x = 48,631,579,984,845,088/201,487,783.60
  6. Step 6: Final answer
    x = 241,362,424.64

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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.