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Finding the Fourth Proportional to 112,163,999.60, 157,256,347.60 and 112,163,999.60

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Solution

The fourth proportional to 112,163,999.60, 157,256,347.60 and 112,163,999.60 is: 157,256,347.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,163,999.60 : 157,256,347.60 = 112,163,999.60 : x
  2. Step 2: Convert to fraction form
    112,163,999.60/157,256,347.60 = 112,163,999.60/x
  3. Step 3: Cross multiply
    112,163,999.60x = 157,256,347.60 × 112,163,999.60
  4. Step 4: Simplify right side
    112,163,999.60x = 17,638,500,909,303,860
  5. Step 5: Solve for x
    x = 17,638,500,909,303,860/112,163,999.60
  6. Step 6: Final answer
    x = 157,256,347.60

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