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Finding the Fourth Proportional to 163,802.61, 245,705.30 and 45,483.18

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Solution

The fourth proportional to 163,802.61, 245,705.30 and 45,483.18 is: 68,225.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,802.61 : 245,705.30 = 45,483.18 : x
  2. Step 2: Convert to fraction form
    163,802.61/245,705.30 = 45,483.18/x
  3. Step 3: Cross multiply
    163,802.61x = 245,705.30 × 45,483.18
  4. Step 4: Simplify right side
    163,802.61x = 11,175,458,159.44
  5. Step 5: Solve for x
    x = 11,175,458,159.44/163,802.61
  6. Step 6: Final answer
    x = 68,225.15

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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.