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Finding the Fourth Proportional to 130,002.84, 179,403.84 and 70,386.84

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Solution

The fourth proportional to 130,002.84, 179,403.84 and 70,386.84 is: 97,133.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,002.84 : 179,403.84 = 70,386.84 : x
  2. Step 2: Convert to fraction form
    130,002.84/179,403.84 = 70,386.84/x
  3. Step 3: Cross multiply
    130,002.84x = 179,403.84 × 70,386.84
  4. Step 4: Simplify right side
    130,002.84x = 12,627,669,381.47
  5. Step 5: Solve for x
    x = 12,627,669,381.47/130,002.84
  6. Step 6: Final answer
    x = 97,133.80

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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.