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Finding the Fourth Proportional to 282,801.51, 424,136.61 and 83,068.20

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Solution

The fourth proportional to 282,801.51, 424,136.61 and 83,068.20 is: 124,583.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,801.51 : 424,136.61 = 83,068.20 : x
  2. Step 2: Convert to fraction form
    282,801.51/424,136.61 = 83,068.20/x
  3. Step 3: Cross multiply
    282,801.51x = 424,136.61 × 83,068.20
  4. Step 4: Simplify right side
    282,801.51x = 35,232,264,746.80
  5. Step 5: Solve for x
    x = 35,232,264,746.80/282,801.51
  6. Step 6: Final answer
    x = 124,583.01

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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.