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Finding the Fourth Proportional to 99,802.60, 149,703.90 and 97,834.30

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Solution

The fourth proportional to 99,802.60, 149,703.90 and 97,834.30 is: 146,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,802.60 : 149,703.90 = 97,834.30 : x
  2. Step 2: Convert to fraction form
    99,802.60/149,703.90 = 97,834.30/x
  3. Step 3: Cross multiply
    99,802.60x = 149,703.90 × 97,834.30
  4. Step 4: Simplify right side
    99,802.60x = 14,646,176,263.77
  5. Step 5: Solve for x
    x = 14,646,176,263.77/99,802.60
  6. Step 6: Final answer
    x = 146,751.45

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1.5x scale

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.