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Finding the Fourth Proportional to 127,497.34, 175,952.55 and 70,907.50

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Solution

The fourth proportional to 127,497.34, 175,952.55 and 70,907.50 is: 97,855.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,497.34 : 175,952.55 = 70,907.50 : x
  2. Step 2: Convert to fraction form
    127,497.34/175,952.55 = 70,907.50/x
  3. Step 3: Cross multiply
    127,497.34x = 175,952.55 × 70,907.50
  4. Step 4: Simplify right side
    127,497.34x = 12,476,355,439.13
  5. Step 5: Solve for x
    x = 12,476,355,439.13/127,497.34
  6. Step 6: Final answer
    x = 97,855.81

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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.