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Finding the Fourth Proportional to 191,283.52, 286,866.93 and 153,754.60

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Solution

The fourth proportional to 191,283.52, 286,866.93 and 153,754.60 is: 230,585.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,283.52 : 286,866.93 = 153,754.60 : x
  2. Step 2: Convert to fraction form
    191,283.52/286,866.93 = 153,754.60/x
  3. Step 3: Cross multiply
    191,283.52x = 286,866.93 × 153,754.60
  4. Step 4: Simplify right side
    191,283.52x = 44,107,110,075.38
  5. Step 5: Solve for x
    x = 44,107,110,075.38/191,283.52
  6. Step 6: Final answer
    x = 230,585.00

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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.