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Finding the Fourth Proportional to 94,259.70, 130,077.47 and 70,168.40

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Solution

The fourth proportional to 94,259.70, 130,077.47 and 70,168.40 is: 96,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,259.70 : 130,077.47 = 70,168.40 : x
  2. Step 2: Convert to fraction form
    94,259.70/130,077.47 = 70,168.40/x
  3. Step 3: Cross multiply
    94,259.70x = 130,077.47 × 70,168.40
  4. Step 4: Simplify right side
    94,259.70x = 9,127,327,958.77
  5. Step 5: Solve for x
    x = 9,127,327,958.77/94,259.70
  6. Step 6: Final answer
    x = 96,831.71

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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.