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Finding the Fourth Proportional to 70,503.84, 97,277.22 and 42,189.48

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Solution

The fourth proportional to 70,503.84, 97,277.22 and 42,189.48 is: 58,210.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,503.84 : 97,277.22 = 42,189.48 : x
  2. Step 2: Convert to fraction form
    70,503.84/97,277.22 = 42,189.48/x
  3. Step 3: Cross multiply
    70,503.84x = 97,277.22 × 42,189.48
  4. Step 4: Simplify right side
    70,503.84x = 4,104,075,327.65
  5. Step 5: Solve for x
    x = 4,104,075,327.65/70,503.84
  6. Step 6: Final answer
    x = 58,210.66

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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.