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Finding the Fourth Proportional to 112,565,616, 168,877,534.88 and 65,918,496

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Solution

The fourth proportional to 112,565,616, 168,877,534.88 and 65,918,496 is: 98,894,791.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,565,616 : 168,877,534.88 = 65,918,496 : x
  2. Step 2: Convert to fraction form
    112,565,616/168,877,534.88 = 65,918,496/x
  3. Step 3: Cross multiply
    112,565,616x = 168,877,534.88 × 65,918,496
  4. Step 4: Simplify right side
    112,565,616x = 11,132,153,107,477,140
  5. Step 5: Solve for x
    x = 11,132,153,107,477,140/112,565,616
  6. Step 6: Final answer
    x = 98,894,791.35

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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.