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Finding the Fourth Proportional to 158,699,509.60, 238,049,264.40 and 43,701,800.80

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Solution

The fourth proportional to 158,699,509.60, 238,049,264.40 and 43,701,800.80 is: 65,552,701.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,699,509.60 : 238,049,264.40 = 43,701,800.80 : x
  2. Step 2: Convert to fraction form
    158,699,509.60/238,049,264.40 = 43,701,800.80/x
  3. Step 3: Cross multiply
    158,699,509.60x = 238,049,264.40 × 43,701,800.80
  4. Step 4: Simplify right side
    158,699,509.60x = 10,403,181,533,395,332
  5. Step 5: Solve for x
    x = 10,403,181,533,395,332/158,699,509.60
  6. Step 6: Final answer
    x = 65,552,701.20

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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.