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Finding the Fourth Proportional to 106,008.76, 146,312.76 and 70,200.28

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Solution

The fourth proportional to 106,008.76, 146,312.76 and 70,200.28 is: 96,890.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,008.76 : 146,312.76 = 70,200.28 : x
  2. Step 2: Convert to fraction form
    106,008.76/146,312.76 = 70,200.28/x
  3. Step 3: Cross multiply
    106,008.76x = 146,312.76 × 70,200.28
  4. Step 4: Simplify right side
    106,008.76x = 10,271,196,719.57
  5. Step 5: Solve for x
    x = 10,271,196,719.57/106,008.76
  6. Step 6: Final answer
    x = 96,890.08

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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.