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Finding the Fourth Proportional to 98,769.60, 148,154.40 and 96,465.60

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Solution

The fourth proportional to 98,769.60, 148,154.40 and 96,465.60 is: 144,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,769.60 : 148,154.40 = 96,465.60 : x
  2. Step 2: Convert to fraction form
    98,769.60/148,154.40 = 96,465.60/x
  3. Step 3: Cross multiply
    98,769.60x = 148,154.40 × 96,465.60
  4. Step 4: Simplify right side
    98,769.60x = 14,291,803,088.64
  5. Step 5: Solve for x
    x = 14,291,803,088.64/98,769.60
  6. Step 6: Final answer
    x = 144,698.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.