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Finding the Fourth Proportional to 118,565,163, 163,619,924.94 and 64,301,355

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Solution

The fourth proportional to 118,565,163, 163,619,924.94 and 64,301,355 is: 88,735,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,565,163 : 163,619,924.94 = 64,301,355 : x
  2. Step 2: Convert to fraction form
    118,565,163/163,619,924.94 = 64,301,355/x
  3. Step 3: Cross multiply
    118,565,163x = 163,619,924.94 × 64,301,355
  4. Step 4: Simplify right side
    118,565,163x = 10,520,982,878,640,294
  5. Step 5: Solve for x
    x = 10,520,982,878,640,294/118,565,163
  6. Step 6: Final answer
    x = 88,735,869.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.