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Finding the Fourth Proportional to 130,300.63, 179,815.22 and 70,684.63

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Solution

The fourth proportional to 130,300.63, 179,815.22 and 70,684.63 is: 97,544.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,300.63 : 179,815.22 = 70,684.63 : x
  2. Step 2: Convert to fraction form
    130,300.63/179,815.22 = 70,684.63/x
  3. Step 3: Cross multiply
    130,300.63x = 179,815.22 × 70,684.63
  4. Step 4: Simplify right side
    130,300.63x = 12,710,172,294.07
  5. Step 5: Solve for x
    x = 12,710,172,294.07/130,300.63
  6. Step 6: Final answer
    x = 97,544.98

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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.