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Finding the Fourth Proportional to 99,124.59, 136,792.08 and 53,802.58

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Solution

The fourth proportional to 99,124.59, 136,792.08 and 53,802.58 is: 74,247.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,124.59 : 136,792.08 = 53,802.58 : x
  2. Step 2: Convert to fraction form
    99,124.59/136,792.08 = 53,802.58/x
  3. Step 3: Cross multiply
    99,124.59x = 136,792.08 × 53,802.58
  4. Step 4: Simplify right side
    99,124.59x = 7,359,767,317.45
  5. Step 5: Solve for x
    x = 7,359,767,317.45/99,124.59
  6. Step 6: Final answer
    x = 74,247.64

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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.