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Finding the Fourth Proportional to 130,468.88, 180,047.88 and 70,852.88

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Solution

The fourth proportional to 130,468.88, 180,047.88 and 70,852.88 is: 97,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,468.88 : 180,047.88 = 70,852.88 : x
  2. Step 2: Convert to fraction form
    130,468.88/180,047.88 = 70,852.88/x
  3. Step 3: Cross multiply
    130,468.88x = 180,047.88 × 70,852.88
  4. Step 4: Simplify right side
    130,468.88x = 12,756,910,835.89
  5. Step 5: Solve for x
    x = 12,756,910,835.89/130,468.88
  6. Step 6: Final answer
    x = 97,777.42

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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.