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Finding the Fourth Proportional to 70,366.98, 97,106.58 and 38,101.95

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Solution

The fourth proportional to 70,366.98, 97,106.58 and 38,101.95 is: 52,580.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,366.98 : 97,106.58 = 38,101.95 : x
  2. Step 2: Convert to fraction form
    70,366.98/97,106.58 = 38,101.95/x
  3. Step 3: Cross multiply
    70,366.98x = 97,106.58 × 38,101.95
  4. Step 4: Simplify right side
    70,366.98x = 3,699,950,055.83
  5. Step 5: Solve for x
    x = 3,699,950,055.83/70,366.98
  6. Step 6: Final answer
    x = 52,580.77

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1.5x scale

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.