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Finding the Fourth Proportional to 127,787,533.60, 191,550,663.60 and 62,991,680.80

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Solution

The fourth proportional to 127,787,533.60, 191,550,663.60 and 62,991,680.80 is: 94,423,125.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,787,533.60 : 191,550,663.60 = 62,991,680.80 : x
  2. Step 2: Convert to fraction form
    127,787,533.60/191,550,663.60 = 62,991,680.80/x
  3. Step 3: Cross multiply
    127,787,533.60x = 191,550,663.60 × 62,991,680.80
  4. Step 4: Simplify right side
    127,787,533.60x = 12,066,098,258,519,378
  5. Step 5: Solve for x
    x = 12,066,098,258,519,378/127,787,533.60
  6. Step 6: Final answer
    x = 94,423,125.00

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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.