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Finding the Fourth Proportional to 201,547,366.80, 302,350,541.40 and 65,209,549.20

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Solution

The fourth proportional to 201,547,366.80, 302,350,541.40 and 65,209,549.20 is: 97,823,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,547,366.80 : 302,350,541.40 = 65,209,549.20 : x
  2. Step 2: Convert to fraction form
    201,547,366.80/302,350,541.40 = 65,209,549.20/x
  3. Step 3: Cross multiply
    201,547,366.80x = 302,350,541.40 × 65,209,549.20
  4. Step 4: Simplify right side
    201,547,366.80x = 19,716,142,505,069,936
  5. Step 5: Solve for x
    x = 19,716,142,505,069,936/201,547,366.80
  6. Step 6: Final answer
    x = 97,823,865.52

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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.