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Finding the Fourth Proportional to 130,160.88, 179,622.36 and 70,544.88

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Solution

The fourth proportional to 130,160.88, 179,622.36 and 70,544.88 is: 97,352.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,160.88 : 179,622.36 = 70,544.88 : x
  2. Step 2: Convert to fraction form
    130,160.88/179,622.36 = 70,544.88/x
  3. Step 3: Cross multiply
    130,160.88x = 179,622.36 × 70,544.88
  4. Step 4: Simplify right side
    130,160.88x = 12,671,437,831.52
  5. Step 5: Solve for x
    x = 12,671,437,831.52/130,160.88
  6. Step 6: Final answer
    x = 97,352.12

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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.